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uranmaximum [27]
3 years ago
11

Solve for x. You must write your answer in fully simplified form. -12x = 10

Mathematics
1 answer:
choli [55]3 years ago
3 0

Answer:

-5/6 = x

Step-by-step explanation:

divide -12 from each side. this should leave you with x = 10/-12. if you simplify this, you should get -5/6

You might be interested in
What are the positive and negative square roots of 49?
emmainna [20.7K]
Ans: 7, -7
As 7(7)=49, -7(-7)=49
Hope this can help.
3 0
3 years ago
Find the volume of the solid of revolution formed by rotating the bounded region about the x-axis.
lana66690 [7]

Answer:

40.5 \pi cubic units

Step-by-step explanation:

Given is a function exponential as

f(x) =\sqrt{ (x-4)}

The region bounded by the above curve, y =0 ,  x =13 is rotated about x axis.

the intersection point is at x=4

The limits for x are 4 and 13

The volume when rotated through x axis is found by

\pi\int\limits^b_a {f(x)^2} \, dx

Here a = 4 and b =13

volume = \pi\int\limits^13_(4) x-4} \, dx

=\pi (\frac{x^2 }{2}-4x )\\= \frac{\pi}{2} (153-72)\\= 40.5 \pi.cubic units

3 0
3 years ago
С
myrzilka [38]

Answer:

B=34.2

C=105.8

c=12.0

Step-by-step explanation:

find B using the sine rule

(sin40÷8)=(sinB÷7)

rearrange

sin B= (sin40x7)÷8

sin B=0.562

make sure to use your calculator

then press shift sin to find B

B= 34.2°

to the nearest tenth means to 1 decimal place

sum of angles in a triangle is 180

so 180-(40+34.2)=105.8°=C

use sine rule again to find c

(sin105.8÷c)=(sin40÷8)

rearrange

c= (sin 105.8x8)÷sin40

c=12.0

3 0
3 years ago
All the steps used to solve -3/4x = -24
Ierofanga [76]

Answer:-x=2

Step-by-step explanation: -3/4x=-24 divide -3/4x for each of the numbers, which is equal to -x=2

8 0
3 years ago
Deborah spent $70 on food and clothes. She spent $26 more on clothes than on food. On your worksheet, solve the question and wri
chubhunter [2.5K]

Answer:

She spent $22 on food, and $48 on clothes.

Step-by-step explanation:

Let's define the variables:

C = amount of money that Deborah spent on clothes

F = amount of money that Deborah spent on food.

We know that she spent in total $70, then we have the equation:

F  + C = $70

And we know that she spent $26 more on clothes than on food, then we have the equation:

C = F + $26

This means that we have a system of equations:

F + C = $70

C = F + $26

To solve these type of systems, we usually start by isolating one variable in one of the equations. Here we can see that C is already isolated in the second equation.

Now we can replace it in the first equation.

F + (F + $26) = $70

Now we can solve this for F.

2*F + $26 = $70

2*F = $70 - $26 = $44

F = $44/2 = $22

So she spent $22 on food.

Now we can use the equation:

C = F + $26

To find how much she spent on clothes, where we need to replace F by the value we found.

C = $22 + $26 = $48

She spent $48 on clothes.

5 0
3 years ago
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