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salantis [7]
3 years ago
10

What is the solution set for - 4x + 10 = 5x + 55?

Mathematics
1 answer:
Lina20 [59]3 years ago
4 0

Answer:

x=−5

Step-by-step explanation:

Step 1: Subtract 5x from both sides.

−4x+10−5x=5x+55−5x

−9x+10=55

Step 2: Subtract 10 from both sides.

−9x+10−10=55−10

−9x=45

Step 3: Divide both sides by -9.

−9x

−9

=

45

−9

x=−5

Answer:

x=−5

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Maru [420]
164x + 24(2x) < = 4240
164x + 48x < = 4240
212x < = 4240
x < = 4240/212
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for a dog.....2x = 2 * 20 = 40.....so it costs 40 per dog and 20 per cat
5 0
3 years ago
What is the value of x?
lara31 [8.8K]

Hello from MrBillDoesMath!

Answer:

x = 12

Discussion:

From the diagram, the two triangles appear to be similiar. Then

28/7 =  (6x + 28)  /25

as the ratio of corresponding parts of similar triangle are  the same.

28/7 = (6x +28)/25           => simplify. 28/7 = 4

4 = (6x + 28)/25                => multiply both sides by 25

4*25 = 6x + 28                  => simplify, 4 * 25 = 100

100 = 6x + 28                    => subtract 28 from both sides

100 -28 = 6x                      => simplify. 100 - 28 - 72

72 = 6x                               => divide both sides by 6

72/6 = 12 = x

Thank you,

MrB

5 0
3 years ago
Read 2 more answers
Use the table of reciprocals to find the reciprocal of these numbers:<br> 0.000 080 25 <br> 0.9596
Licemer1 [7]

Answer:

1000000/8025 = 40000/321 (simplified)

1000/9596

Step-by-step explanation:

Hi there,

There is an alternative way to do this....

First it is important to understand what a reciprocal is. The reciprocal of any number x is the number 1/x. The reciprocal of a number is also its multiplicative inverse, which means that the number times its reciprocal must equal 1. For a number such as 2, the reciprocal would be 1/2. For a fraction such as 2/5, the reciprocal would be 5/2.

Finding the reciprocal of a decimal can be done in a number of ways.

Change the decimal to a fraction first.

Ex. 0.25 is 25/100 and is equivalent to the fraction 1/4. Therefore Its reciprocal would be 4/1 or 4.

Keep the decimal and form the fraction 1/?? which can then be or converted to a decimal.

Ex. 0.75 The reciprocal is 1/0.75. Using a calculator, the decimal form can be found by performing the operation: 1 divided by 0.75. The decimal reciprocal in this case is a repeating decimal, 1.33333....

After finding a reciprocal of a number, perform a quick check by multiplying your original number and the reciprocal to determine that the product is 1:

(0.25)(4) = 1.00

(0.75)(1.33....) = 1 but it is easier to see for sure with repeating decimals if you use the fractions instead of the decimals.

(3/4)(4/3) = 12/12 = 1

Hope this helps, Mark as brainliest if liked it! thanks!

3 0
4 years ago
How many dots are in the 4th step
Sever21 [200]

Answer:

24

Step-by-step explanation:

if we observe carefully we can see that the difference in the number of dots from the first picture to the second picture is 5

and the difference in the number of dots from the second picture to the third picture is 7

so there might be a chance that the difference between the 3rd figure and 4th figure may be 9

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15+9= 24

3 0
2 years ago
How do I find the midpoint
Hunter-Best [27]

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5 0
3 years ago
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