Simplify the expression using the distributive property:
-4 (-3x — 9y + 4)

Answer:

a

Step-by-step explanation:

.35x.15=0.0525

Answer:

yes they are

Step-by-step explanation:

Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other. That constant is know as the "constant of proportionality".

Answer:

46.66

Step-by-step explanation:

Answer:

x = 16

Step-by-step explanation:

Answer:

15

Brainiest plz :)

Answer:

15

Step-by-step explanation:

20-12=6

15-9=6

answer:

we know the formula for area is,

L x W

so,

2/7 (a+4) = area

solve this by distributing the 2/7,

you get = 2/7a + 8/7

the area is 2/7a + 8/7

if correct, please mark the brainliest :)

Answer:

[tex] \frac{15}{16} \\ \frac{90}{96} \\ \frac{135}{144 } [/tex]

Answer:

15/16, 90/96 and 135/144. hope it helps

Answer:

31.25xp

Step-by-step explanation:

Answer:

It is not possible for Alice to score an average of 75% because what she needs to score in the fifth exam exceeds the maximum possible score.

Step-by-step explanation:

She scored an average 68% in all 4 exams.

This means; (68% + 68% + 68% + 68%)/4

Now, a fifth exam is added and we want to know if her average can now be 75%.

Thus, let the score in the 5th exam be x and we now have;

(68% + 68% + 68% + 68% + x)/5 = 75%

Multiply both sides by 5 to get;

(68% + 68% + 68% + 68% + x) = 375%

272% + x = 375%

x = 375% - 272%

x = 103%

The maximum score is 100% and therefore it is impossible for her to score 103%. Therefore it is not possible for Alice to score an average of 75%

Answer:

v = 1

Step-by-step explanation:

volume of a cube = side cubed

1 cubed = 1

Answer:

answer is 1 cubic unit

hope this helps

Answer:

l and k are both 70

Step-by-step explanation:

l and k are both the same angle.

130+90= 220

360-220=140

140/2=70

therefore l and k are both 70

Answer:

-8 is correct answer of this question

Answer: x=—8

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don’t contain the variable

Answer: (x, y)=(0, -6）

Step-by-step explanation:

To solve a system of equations there are usually 3 general ways.

- Elimination

- Substitution

- Augmented Matrix

Since the question is asked to use elimination, we are going to use it.

--------------------------------------------------------------------------------------

-5x+4y=30

2x+3y=-12

-10x+8y=60

10x+15y=-60

23y=0

y=0

------------------------------------------------------------------------------------------

Substitute the y value into any one of the equations

2x+3y=-12

2x+3(0)=-12

2x+0=-12

x=-6

Hope this helps!! :)

Please let me know if you have any questions

Circumference = 2 x pi x r

Circumference = 2 x 3.14 x 3.5m

Circumference = 21.98

Round to 22m

The answer is c. 22m

Answer:

Infinitely many solutions

Step-by-step explanation:

There are 2 variables in this equation. Since, there are infinite many numbers, we can substitute them in x & y. This will lead to an infinite number of solutions.

Answer:

Step-by-step explanation:

[tex](1/5k)^2=1/5^2*k^2[/tex]

[tex]1/25*k^2=\frac{k^2}{25}[/tex]

Answer:  [tex]\frac{1}{25}k^2[/tex]

This is equivalent to [tex]\frac{k^2}{25}[/tex]

In decimal form, this is equivalent to 0.04k^2

==================================

Work Shown:

We have the two pieces 1/5 and k, all in the parenthesis being squared.

Square each piece

So overall, we end up with the answer [tex]\frac{1}{25}k^2[/tex] which is equivalent to saying [tex]\frac{k^2}{25}[/tex]

In decimal form, this is 0.04k^2 because 1/25 = 0.04

Answer:

Here is it answer

Step-by-step explanation:

4+√2/2+√2 × 2-√2/2-√2

8+2√2-4√2-2/(2)^2-(√2)^2

6-2√2/4-2

(3-√2)

therefore 3-√2

mark as brainliast

a=3

b=2

Answer:

y=4

Step-by-step explanation:

Because it is a horizontal line, there is no slope the only thing that is there is the y intercept

Answer:

3x + 2y = 540

x + y = 210

Step-by-step explanation:

Giving the following information:

At the county fair, 210 snow cones were sold for a total of $540. Large snow cones (x) cost $3.00 each and small snow cones (y) cost $2.00 each.

We can establish the following system of equations:

x= number of large snow cones sold

y= number of small snow cones sold

3*x + 2*y = 540

x + y = 210

Answer:

x = every time he goes to target.

y = the amount he has left.

25 - 5x = y

After 3 trips, he will have 10 dollars left.

Step-by-step explanation:

25 - 5(3) = y

25 - 15 = 10

Answer:

10

Step-by-step explanation:

25 - 5, 20 - 5, 15 - 5 = 10

Answer:

She has $6.60

Step-by-step explanation:

2(18.95) + 5.50 = 43.4

50 - 43.4 = $6.60

Answer:

She has $6.60 left.

Step-by-step explanation:

$18.95x2 is 37.90. $37.90+ $5.50 is $43.40. $50.00- $43.40 is $6.60.

Answer:

Step-by-step explanation:

there is a total of 250 fliers. the simplist form is 99/250

Answer:80

Step-by-step explanation:it’s -19 then +33 so 85-19=66 and 66+33=99

Answer:

8a^3

Step-by-step explanation:

Answer:

Step-by-step explanation:

Angle ACB is congruent to Angle DCE

Reason 4: SAS- Side Angle Side

Angle ACB is congruent to Angle DCE

Reason 4: SAS- Side Angle Side is the correct answer to the question

Answer:

y = x

Step-by-step explanation: