4) easy- solve for x

Step-by-step explanation:

3x-4y=13

y=-3x-7

3x-4(-3x-7)=13

3x+12x+28=13

15x=-15

x= -1

y= -3x-7 = 3-7= -4

( -1, -4)

Answer:

4(9a−4)

Step-by-step explanation:

Answer:

?

Step-by-step explanation:

Answer:

2.5% , $8608

Step-by-step explanation:

Given data

From the given the expression V = 8000×(1.025)^n

The rate is given as

2.5%

For n= 3

The total amount is

V = 8000 × (1.025)^3

V= 8000*1.076

V= $8608

Hence the final amount is $8608

Answer: -2x²+2x-10

Step-by-step explanation:

Rephrase the expression

Subtract 4x²-7x+6 from 2x²-5x-4

(2x²-5x-4)-(4x²-7x+6)

Expand parenthesis

2x²-5x-4-4x²+7x-6

Put like terms together

(2x²-4x²)+(7x-5x)-(4+6)

Combine like terms

-2x²+2x-10

Hope this helps!! :)

Please let me know if you have any questions

Answer:

Step-by-step 16

16 x 81

Answer: bro this is easy

Step-by-step explanation:

Answer:tan c

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

7^5 means that there are 5 7s eg 2^4 would be 2×2×2×2

Answer:

graph c

Step-by-step explanation:

it's straight so therefore it's steady

graph c is the most appropriate to describe a quantity decreasing at a steady rate.

If the amount continues to decrease, it means that the amount is decreasing at a constant rate.

If the function decreases by a certain value, the graph of the function becomes a straight line with a decreasing slope.

Graph c only represents a slanted straight line.

The slope straight line has a negative slope. The downhill curve also has a negative slope. Of course, the slopes vary from point to point on the curve, but all slopes along these two curves are negative.

Learn more about constant rate. here: https://brainly.com/question/14124136

#SPJ2

Answer: 6 x-289

Step-by-step explanation:

Answer:

tan y°

Step-by-step explanation:

by using the Sine Rule (See attached), we can form the equation:

[tex]\frac{r}{sin (y)} = \frac{p}{sin (x)}[/tex]

rearranging this, we get:

[tex]\frac{r}{p} =\frac{sin(y)}{sin(x)}[/tex]   ---------------------eq 1

Recall that all internal angles of a triangle must sum to 180°. we observe that we have a right triangle where one of the angles is 90°. It then follows that the sum of the other two angles must sum to 90°

i.e x + y = 90°

with a little rearranging, we get

x = (90° - y)

Substituting this into eq 1 above, we get:

[tex]\frac{r}{p} =\frac{sin(y)}{sin(90- y)}[/tex]  ---------eq 2

recall that from the trigonometric co-function identities,

sin (90°- y) = cos y

substituting this into eq 2 gives :

[tex]\frac{r}{p} =\frac{sin(y)}{cos(y)} = tan(y)[/tex]   (answer)

Answer:

8 batches

Step-by-step explanation:

A recipe for cookies calls for 2/3 of a cup of sugar. Elena used 5 1/3 cups of sugar to make multiple batches of cookies. How many batches did she make?

From the above question, 1 recipe = 1 batch of cookies

Hence:

2/3 cup of sugar = 1 batch of cookies

5 1/3 cups of sugar = x batches of cookies

Cross Multiply

2/3 cup × x batches = 5 1/3 cup × 1 batch

x batches = 5 1/3 cup × 1 batch/2/3 cup

x batches = 16/3 ÷ 2/3

x batches = 16/3 × 3/2

= 8 batches

Therefore she made 8 batches

Are we allowed to guess if so my answer is 2 Reddit because i have no idea what this question is.

And  I don't know if this is just for points or if you actually need it for your work so sorry for guessing if you really do need it for work...

Answer:

Reddit/the entirety of 4chan

Step-by-step explanation:

Answer:

m=-2

Step-by-step explanation:

the formula for slope (m) is (y2-y1)/(x2-x1)

the given points are (3,-7) and (4,-9)

label the points;

x1=3

y1=-7

x2=4

y2=-9

substitute into the equation:

m=(-9--7)/(4-3)

m=(-9+7)/(1)

m=-2/1

the slope is -2

hope this helps!

Answer:

[tex]8x + 7 =15 \\ gx + 2 =4 \\ [/tex]

Answer:

86

Step-by-step explanation:

21   36

52   40

32   86

33   38

28   34

30   19

Answer:

1299

Step-by-step explanation:

To find the equivalent of the persentege in money u do

(8.25)/100 *1200

that is 99

than u simply do 1200+99=1299

Answer:

2.Movies

3.Meet Cherry

4.Fall Asleep

5.Darry hits pony

6.Pony and Johny run to the park

7.Underwater

8.Money and Directions

9.Windrixville

10.Save kids

11.Interview newspaper

12.Randy talks to pony

13.Hospital

14.Switchblade

15.

Step-by-step explanation:

Answer:

X=2

Step-by-step explanation:

3x-12=-4x+2

7x-12=2

7x=14

x=2

Answer:

$16.57

Step-by-step explanation:

15.49 increase 7% =

15.49 × (1 + 7%) = 15.49 × (1 + 0.07) = 16.5743

Answer:

16 feet

Step-by-step explanation:

5 inches = 80 1 inch = 80/5= 16feet

Answer:

x=12 ft

Step-by-step explanation:

5/80=.75/x

5x=60

x=12 ft

Answer:

306

Step-by-step explanation:

I think you just multiply 18 x 17=306

Answer:

a c

Step-by-step explanation:

Answer:

Yes, she should.

Step-by-step explanation:

5% may not seem like a lot. Lets say she deposits $20 per month. That's $240 a year. Lets also say you keep this for 6 years, you'll have $72 from interest. The more amount she puts in the more she'll gain.

First, converting R percent to r a decimal

r = R/100 = 5%/100 = 0.05 per year,

then, solving our equation

I = 240 × 0.05 × 6 = 72

I = $ 72.00

The simple interest accumulated

on a principal of $ 240.00

at a rate of 5% per year

for 6 years is $ 72.00.

Yes, she should keep  her account open even though she can deposit only a small amount each month.

Since Chenelle has a savings account that earns 5% simple interest each year.

So here we assume that she deposit $20 per month

So for year it should be 240

And the number of years should be 6 so the interest be like 72

Now

I = 240 × 0.05 × 6

I = 72

Hence, Yes, she should keep  her account open even though she can deposit only a small amount each month.

Learn more about interest here: https://brainly.com/question/24455071

They are not the same

The reason why they arent that same is bc they both are in different orders i hope this helps u and may i get brainliest? <3