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vladimir1956 [14]

3 years ago

9

What repeated addition equals to 3/4 Good luck シ

2 answers:

earnstyle [38]3 years ago

4 0

Answer:

its 25

Step-by-step explanation:

if you put down 3 25's then its 75 witch is equal to 3/4

Marina86 [1]3 years ago

3 0

Answer:

1/4 x 3 or 1/4+1/4+1/4

Step-by-step explanation:

1/4 + 1/4 + 1/4

2/4+1/4

3/4

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I need help on 11-16

alisha [4.7K]

I cant see all of 11 and 14
12:
$3f = 18 \\ \frac{3f}{3} = \frac{18}{3} \\ f = 6$
13:
$3f = {3}^{2} \\ 3f = 9 \\ \frac{3f}{3} = \frac{9}{3} \\ f = 3$
15:
$3h = 9 + 10 \\ 3h = 19 \\ \frac{3h}{3} = \frac{19}{3} \\ h = 6.3$
16:
$3f = 27 - 21 \\ 3f = 6 \\ \frac{3f}{3} = \frac{6}{3} \\ f = 2$

6 0

4 years ago

-5x-18y=-28 and -10x+9y=-11 solve elimination

Dmitry [639]

Answer:

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$x=2,\:y=1$

Step-by-step explanation:

Given the equations

$-5x-18y=-28$

$-10x+9y=-11$

solving the system of the equation by elimination method

$\begin{bmatrix}-5x-18y=-28\\ -10x+9y=-11\end{bmatrix}$

$\mathrm{Multiply\:}-5x-18y=-28\mathrm{\:by\:}2\:\mathrm{:}\:\quad \:-10x-36y=-56$

$\begin{bmatrix}-10x-36y=-56\\ -10x+9y=-11\end{bmatrix}$

$-10x+9y=-11$

$-$

$\underline{-10x-36y=-56}$

$45y=45$

$\begin{bmatrix}-10x-36y=-56\\ 45y=45\end{bmatrix}$

solve 45y=5 for y:

$45y=45$

$\frac{45y}{45}=\frac{45}{45}$

$y=1$

$\mathrm{For\:}-10x-36y=-56\mathrm{\:plug\:in\:}y=1$

solve $-10x-36\cdot \:1=-56$ for x:

$-10x-36\cdot \:1=-56$

$-10x-36=-56$

Add 36 to both sides

$-10x-36+36=-56+36$

$-10x=-20$

$\frac{-10x}{-10}=\frac{-20}{-10}$

$x=2$

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$x=2,\:y=1$

5 0

3 years ago

Which of the following is the solution to the equation below?

nasty-shy [4]

Answer:

B

Step-by-step explanation:

2x = 6+14

2x = 20

x = 10

8 0

3 years ago

Find the measure of

Juli2301 [7.4K]

Yea i agree LOL and meatballs are very very yuum e

5 0

3 years ago

13x-9=16<br> plz solve for x

Dafna11 [192]

13x-9=16
+9 +9
13x= 25
---- -----
13x 13x

x=1.92

Add nine to both sides of equation to cancel out the negative nine. Then, divide both sides by 13, which will result in the answer listed above.

4 0

3 years ago