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4 years ago

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Cameron measured 65/100 inches of rain water on the first day of April. On the second day of April, he measured 83/100 inches of

rain water. How many inches of rain fell on the first 2 days of April?

1 answer:

Klio2033 [76]4 years ago

4 0

Add the inches together. 65+83=148

Hence 148 inches

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!!help!! pls :((( <br> im so confused pls help

SVEN [57.7K]

Step-by-step explanation:

for some reason the equation at the top says 7(x+2) but both of the equations at the bottom say 7(x-2)... I'm just going to do 7(x-2)

Emmanuels Work:

7(x-2)=91

distribute the 7 by multiplying both x and -2 by it

7x-14=91

add 14 to both sides

7x=105

divide both sides by 7

x=15

Mauricio's Work:

7(x-2)=91

to get rid of the 7 multiplication, divide both sides by 7

x-2=13

add 2 to both sides

x=15

5 0

2 years ago

Read 2 more answers

A footbridge is 5 feet wide and is built with wood planks that are 6 inches wide. How many planks wide is the path?

Ede4ka [16]

Here we have to know the conversion between feet and inches.

1 Feet = 12 inches (This is given and is to be known)

So the 5 feet wide footbridge when converted to inches would be about 5*12 = 60 inches

The width of the footbridge in inches = 60 inches

Each wooden plank is 6 inches,

So the number of wooden planks that are required to build the foot bridge of 60 inches = 60/6 = 10 planks

Hence, the path path is 10 planks wide

7 0

3 years ago

Please do elimination method 2x-9y=-36 <br> -14x+18y=-18

Varvara68 [4.7K]

Answer:

The solution to the system of equations will be:

$x=9,\:y=6$

Step-by-step explanation:

Given the system of equations

$\begin{bmatrix}2x-9y=-36\\ -14x+18y=-18\end{bmatrix}$

Multiply 2x-9y=-36 by 7

$14x-63y=-252$

so the system of equations becomes

$\begin{bmatrix}14x-63y=-252\\ -14x+18y=-18\end{bmatrix}$

Adding both equations

$-14x+18y=-18$

$+$

$\underline{14x-63y=-252}$

$-45y=-270$

solve -45y = -270 for y

$-45y=-270$

divide both sides by -45

$\frac{-45y}{-45}=\frac{-270}{-45}$

Simplify

$y=6$

For 14x-63y = -270 plug in y = 6

$14x-63\cdot \:6=-252$

$14x-378=-252$

Add 378 to both sides

$14x-378+378=-252+378$

Simplify

$14x=126$

Divide both sides by 14

$\frac{14x}{14}=\frac{126}{14}$

Simplify

$x=9$

Therefore, the solution to the system of equations will be:

$x=9,\:y=6$

7 0

3 years ago

The long division below shows the first term of the quotient. Which polynomial should be subtracted from the dividend first? mc0

nasty-shy [4]

X³+2x² is your answer i got it right in my test ;)

6 0

3 years ago

Read 2 more answers

Help !!!! Please number 1

Rudiy27

Answer:

Step-by-step explanation:

you have a special triangle 30-60-90

the ration in this traingle is x, x $\sqrt{3}$ , 2x, where 2x is the hypothenuse

the hypothenuse is 12

x=12/2=6

the other leg is 6 $\sqrt{3}$ =10.39

3 0

3 years ago