Mathematics Middle School

50 please help on these questions!

Answers

Answer 1

Answer:

pic1=56-28x

pic2=3cd+12c

pic3=s−t

pic4= the last answer

pic5= the third answer

Step-by-step explanation:

i did the math so just trust me

Related Questions

Describe, in at least 3 sentences, the difference between when a quadratic function opens upward and downward.

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There is an easy way to tell whether the graph of a quadratic function opens upward or downward: if the leading coefficient is greater then zero, the parabola opens upward, and if the leading coefficient is less than zero, the parabola opens downward. Study the graphs below: Figure %: On the left, y= x2.

What is the value of the expression shown below?

3 over 6 to the power of 2 + 7 × 4 − 5

6 and 1 over 4
6 and 1 over 2
23 and 1 over 4
23 and 1 over 2

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23 and 1 over 12 it’s not any of the option but that’s what I got

pleeeeeeeeeaaaaaase help me

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Here is the graph
The inequality should be: h > 9/2

help me please its easy

please dont copy answers from other people, it's really annoying and that just proves you dont know the answer so just ignore this if you do

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Answer:

So jane can fill 3 cases cause there are 3 beverages and she will have 0 bottles left

A train pulls into a station and lets off its passengers. please help!

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Answer:

Step-by-step explanation:

Given m||n, find the value of x.
(explain answer) Helpp pleasee!! asap

Answers

Answer:

x = 30 degrees

Step-by-step explanation:

When two parallel lines are intersected by a transversal, the alternate corresponding angles are supplementary, meaning their degree measures add up to 180. One can apply this here by stating that the two given angles add up to 180. Then one can simplify and use inverse operations to solve for (x).

(6x - 5) + (x - 25) = 180

6x - 5 + x - 25 = 180

7x - 30 = 180

+30 +30

7x = 210

/7 /7

x = 30

x=30 i hope this helped

10 points, Solve the rational exponents, please show the work if you can :) please don't use me for points, its already happened twice today.
[tex]2^{x} = 128, 5^{x} = 15,625, 8^{x} =4096, 3^{x} =6561, 8^{x} =262,144, 5^{5x} =3125, 7^{x} =2401, 7^{3x} = 117,649, and 9^{x} =729[/tex]

Answers

Essentially just turn the big number into an exponent so u can cancel out and be left with just the x for example 128 is the same as 2^7 and when you have it like that you simply cancel the 2 and are left with x=7

A) x=7
B) x=6
C) x=4
D) x=8
E) got cut off theres no value
F) x=2
G) x=3

Id reccomend downloading photomath for these type of questions or symbolab on your phone it shows the steps but try practicing it first :)

did you already answer the question or do I have to do it because I dont wanna do it for no reason if you get me

Solve x-10 > -2, and then graph the solutions. Use pencil and paper. Explain how you can use mental math to solve the inequality.

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-8 I got this question

the answer is -8 hope this helps

How is a ratio table used to graph equivalent ratios?
A. Find the value of each ratio as a fraction and plot the fractions on a number line.
B. Find the differences of the values in the ratio table and plot the differences on a number line.
C. Use the values in the ratio table to write coordinate pairs for the points on the graph.
D. Use the equivalent ratio in lowest terms to plot the numerator on the x-axis and the denominator on the y-axis, then connect the two points.

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Answer:

Step-by-step explanation:

Answer:

UR MOM LOLOLOLOLOLOOOL

Step-by-step explanation:

Help is needed please and thank you

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A, because 6+4 = 10 and 5 x 10 is 50 and 50 is greater than 32

the answer is 6 it’s the maximum number

which region has the safest drinking water?

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Answer:

if it depends on how much access you have to clean water, I'd say a since both the median and all qaurtile seem to be higher.

Step-by-step explanation:

Answer: A

Step-by-step explanation:

PLEASE HELP
Write the equation of the line in slope-intercept form.

The equation of the line in slope-intercept form is

Answers

Answer:

y = 50x + 20

Step-by-step explanation:

[tex]m = \frac{y_{2} - y_{1} }{x_{2} - x_{1} }[/tex]

Use the slope-intercept formula to find the slope.

[tex]m = \frac{120 - 20}{2 - 0}[/tex]

[tex]m = \frac{100}{2} = 50[/tex]

The y-intercept is where the line crosses the y-axis.

Answer:

y = 50x + 20

Step-by-step explanation:

finding slope or gradient, choose any two points on the line i.e (2.0, 120) and (0.0, 20)

m = (y2 - y1)/(x2 -x1)

= (120-20)/(2.0-0.0)

= 100/2

= 50

finding the equation of the line using point (0,20)

=> y = mx + c

=> 20 = 50*0 + c

=> c = 20

so equation of the line

=> y = 50x + 20

Please give me brianliest and follow me if you want me to help you always

question;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

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angle x= 120

if you draw a straight line passing through x and parallel to the 2 straight lines that are up and down you will get the Z symbol then the angle will be the sum of the other 2 angles

Answer:

x = 120 degrees

Step-by-step explanation:

you would do 70+50 = 120

360 - 120 = 240

240 / 2 = 120

I got the 360 degrees because I thought of the it as a circle instead of triangles.

Hope this helps!

help please i will give brainliest. what is the measure of angle b?

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Answer:

the answer is C brainliest please

Step-by-step explanation:

Answer: Answer is C

Step-by-step explanation:

at 9 am you have to run 2 miles. at 9:24 am you have run 5 miles. what is your running rate in minutes per mile

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The answer is 5 minutes

You ran three miles in 24 minutes so your rates is 3/24 miles per minute
To convert to miles per hour you would multiple by 60minutes/1hr
So 3/24 x 60/1 which simplifies to
15/2 miles per hour

help me plz!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

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im working on it but B is 4. 2.6
D is 5. 6.6
F is 7. 24

Please answer all of the questions i need help on these

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Answer:

1. distributive

2. 2(x + x)

If n = 3, what is 7n + 9?
simpify

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The answer would be 30

Answer:

n = 3,

Step-by-step explanation:

7n + 9=7×3+9=21+9=30

please include an explanation

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Answer:

b and c

Step-by-step explanation:

Alanah is picking up two friends to go to a concert. She drives from her house to pick up Mia, then she drives to pick up Teresa, and then they go to the arena to see the concert. Answer the questions to find the total distance of Alanah's trip to the arena. When necessary, round answers to the nearest tenth.

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Answer:

22 miles

Step-by-step explanation:

(2,8) (8,16) (8,2) (14,4)

16-8=8

8-2=6

8+6=14

14-8=6

4-2=2

6+2=8

14+8=22

what is the simplified form of 45?
A. 5
B. 9.5
C. 3/5
D. 5/3

Answers

Answer:

Since radical 45 is equal to radical 9 times radical 5, and because radical 9 is equal to 3 (since 9 is a perfect square), we can simplify radical 45 to 3 times radical 5

A ball’s height as a function of how long it spends in the air can be modeled by the equation h = -16t2 + 160t. Find the domain and range for this situation.

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Answer:

Slope=0.014/2.000=0.007

the answer is 0.007 hope this is correct

Describe in your own words how to tell if an equation has infinite solutions or no solution at all

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Answer:

We can identify which case it is by looking at our results. If we end up with the same term on both sides of the equal sign, such as 4 = 4 or 4x = 4x, then we have infinite solutions. If we end up with different numbers on either side of the equal sign, as in 4 = 5, then we have no solutions.Step-by-step explanation:

A bank offers three different savings accounts as shown. Samir opened a Super Savings account with an initial deposit of $620. He did not make any additional deposits. What is his account balance after 3 years?

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is there a graph with this question? if Samir did not make any additional deposits then his balance would still be $620 in 3 years.

WILL GIVE BRAINLIEST!!! PLEASE GIVE AN EXPLAINATION
What is the probability of rolling either two identical numbers or rolling a sum of 8 using two number cubes, each labeled 1 – 6?

Answers

Answer:

5/18

Step-by-step explanation:

We have 2 things to consider here, rolling two identical numbers, or rolling a sum of 8

Rolling two identical numbers

To make this simple, think about how many possibilities there are to have two identical numbers. (1,1) (2,2) (3,3) (4,4) (5,5) (6,6). The total amount of possibilities for rolling two dice is 6*6 which is 36. That would be 6/36 which is 1/6

Rolling a sum of 8

The numbers which add up to 8 are, (2,6)(3,5)(4,4)(5,3)(6,2). With 36 total possibilities, it would be 5/36.

However, we can see, (4,4) is repeated, so we have to subtract 1/36.

Answer

1/6 + 5/36 - 1/36

6/36 + 5/36 - 1/36

10/36

5/18

Answer:

5/18

Step-by-step explanation:

Patrick drank 64 fl. Oz. of water in 3 days. At this rate, how long will it take him to drink a gallon ( 128 fl oz)?

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Answer:

6 days

Step-by-step explanation:

It will take him 6 days to drink a gallon

the second image is an example to help you solve this problem on the first image

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Answer:I see no image

Step-by-step explanation:sorry

I’m pretty sure that it is 168

Trapezoid ABFE is similar to trapezoid EFCD. What is the length of DC?

Answers

Answer:

6.75

Step-by-step explanation:

Find the relationship between the trapezoids. You can see that the top of trapezoid ABFE is 3 units and the top of EFCD is 4.5 units. 3 * 1.5 = 4.5, so t the sides of trapezoid EFCD are 1.5 times more than the sides of ABFE.

Now, you know the bottom of ABFE is 4.5, so the bottom of EFCD is 1.5 times longer because they are proportional, so you can do 4.5 * 1.5 = 6.75 units.

***Dora's recipe calls for 5/8 ounce of garlic. Dora's scale shows that she has cut up 0.58 ounce of garlic. How much more garlic does Dora need? Dude hurry up plz*** :(

Answers

She needs 0.04 of garlic

Answer: She does not need more garlic

Step-by-step explanation:

5/8= 0.625

She does not need more garlic

Nemo swims from point A(-4,8) to point B(-8,2) then finally to point C(-5,4) creating a triangle. Dory watched Nemo swim and tried to reflect his movements. Dory swam from A'(4,8) to point B'(-8,2) to point C'(5,4) which also created a triangle. Examine the points and determine if Dory made the right movements to be considered a reflection. Is it a reflection?

Answers

Answer:

No, because point B' should be (8,2), since this is a reflection across the y-axis

Step-by-step explanation:

Answer: Dory did not go in Nemo's direction corectly

Step-by-step explanation: Dory when to (4,8) insted of (-4,8) so is she went to -4,8 then she would have been in a correct triangle

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