MATHEMATICS MIDDLE SCHOOL

What is the value of r in the equation?
-1.5(4-r)=-12
0 -6
-4
4
06

Answers

Answer 1
Answer:

Answer:

r = -4

Step-by-step explanation:

-1.5(4-r)=-12

Divide each side by -1.5

-1.5/-1.5(4-r)=-12/-1.5

(4-r)=8

Subtract 4 from each side

4-r-4 = 8-4

-r = 4

Divide each side by -1

r = -4
Answer 2
Answer:

Answer:

r = -4

Step-by-step explanation: I hope it helps :)

-1.5(4-r)=-12\n\n\mathrm{Multiply\:both\:sides\:by\:}10\n\n-1.5\left(4-r\right)\cdot \:10=-12\cdot \:10\n\n= -15\left(4-r\right)=-120\n\n\mathrm{Divide\:both\:sides\:by\:}-15\n\n(-15\left(4-r\right))/(-15)=(-120)/(-15)\n\n4-r=8\n\n\mathrm{Subtract\:}4\mathrm{\:from\:both\:sides}\n\n4-r-4=8-4\n\n-r=4\n\n\mathrm{Divide\:both\:sides\:by\:}-1\n\n(-r)/(-1)=(4)/(-1)\n\nr=-4

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Answers

Answer:

x = -6

Step-by-step explanation:

2x + 5 = 3x + 11

-x + 5 = 11

-x = 6

x = -6
X=-6

Hhfyhvv g g h b b h g v c c c gn n b b v bcc c c v.

what is the length of the hypotenuse of a right triangle with legs that measure 8 and 13 cm round the answer to the nearest hundredth

Answers

use pythagoreaan theorem
a^2+b^2=c^2
a and b are teh legnth s of the legs
c is the legnt o fthe hyptonuse

8^2+13^2=c^2
64+169=c^2
233=c^2
square root both sdies
aprox 15.264=c

the legnth is aprox 15.26 cm
8²+13²=c²
64+169=c²
233=c²
15.26=c

Rounding these numbers to the nearest 100340
666
985
1902
2771
7540
9999

Answers

Here this might help you use this method numbers below 5 or higher the number changes all the other numbers 0 but 5 or higher changes them to the next number.
340=300
666=700
985=1000
1902=2000
2771=3000
7540=8000
9999=10000

Answer:

rounded to the nearest hundredth

340 = 300

666 = 700

985 = 1,000

1902 = 1,900

2771 = 2,800

7540 = 7,500

9999 = 10,000

Step-by-step explanation:

estimation

Jessica is making 2 loaves of banana bread. She needs 3/4 cup of sugar for each loaf. Her measuring cup can only hold 1/4 cup of sugar. How many times will Jessica need to fill the measuring cup in order to get enough sugar for both loaves of bread?

Answers

3/4*2
=6/4
6/4/1/4
=6/4*4
=6
so 6 pours

Answer:

6 times


Explanation:

1- getting the number of times required for one loaf:

We know that:

The loaf requires 0.75 of a cup of sugar

The cup can hold 0.25 cup of sugar

To know the number of times required to get the needed amount, we will simply do cross multiplication as follows:

1 time ................> 0.25 of a cup

?? times ..........> 0.75 of a cup

Number of times for one loaf = (0.75*1)/(0.25) = 3 times


2- getting the number of times required for two loaves:

We have calculated that one loaf requires filling the measuring cup 3 times, this means that:

2 loaves would require filling the cup 2*3 = 6 times


Hope this helps :)

136.9÷77 show the work

Answers

u mean need the step? hope u need it

Sam cut 62 and 1/2 inches of ribbon into 4 equal hair ribbon how long was each hair ribbon

Answers

If the total length of ribbon is 62 and 1/2 inches, or 62.5 inches, and he cut it in to 4 equal parts then:

62.5/4 = x 
x = 15.625 inches 

Each ribbon is 15.625 inches.
^^^^^^^^ That Would Be It.. I Think
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I need to know how to simplify