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murzikaleks [220]
3 years ago
6

What is the value of p in the equation 8p + 2 = 4p − 10? ayudame Help pls

Mathematics
2 answers:
Keith_Richards [23]3 years ago
7 0

Answer:

P=3

Step-by-step explanation:

WWWWWWWWWWW Your wel ome

Solnce55 [7]3 years ago
6 0

Answer:

p = -3

Step-by-step explanation:

8p + 2 = 4p - 10

combine like terms:

8p + 2 = 4p - 10

     -2            -2

(+2 - 2 = 0 ~ this cancels out)

8p = 4p - 12

-4p   -4p

(+4p - 4p = 0 ~ this cancels out)

4p = -12

isolate the variable through division

4p/4 = -12/4

<u>p = -3</u>

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Answer:

Option 4

Step-by-step explanation:

Area of a trapezoid = \frac{1}{2}(b_1+b_2)h

Here, b_1 and b_2 are the bases and 'h' is the height between the bases.

Area of the composite figure = Area of two trapezoids given

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3 years ago
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Luba_88 [7]

Answer:

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Step-by-step explanation:

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3 years ago
Abel planned for a garden to be 42 m long but found that it needs to be 24 m long to fit in his backyard. He found the change of
Tom [10]

Question:

Abel planned for a garden to be 42 m long but found that it needs to be 24 m long to fit in his backyard. He found the change of scale below.

\frac{42m}{7}/{\frac{24m}{7} = \frac{6}{4}

Which is Abel’s error?

Abel should have written the ratio as 24 metres/7 metres

Abel should have written the ratio as 24 metres/42 metres

Abel should have divided both numbers by 6.

Abel should have divided both numbers by 4.

Answer:

Abel should have divided both numbers by 6.

Step-by-step explanation:

Given

Measured Length of backyard = 42m

Actual Length of backyard = 24m

Measured Ratio: \frac{42m}{7}/{\frac{24m}{7} = \frac{6}{4}

Required

Error in calculation of measured ratio

From Abel's calculation:

It can be observed that He divided both numbers by 7

Though 42/7 = 6 but that's not so for 24/7

24/7≠4;

Instead 24/7 = 3.43 (Approximated)

To get the actual ration, he has to divide both numbers by the highest common factor

The common factors of 42 and 24 include 2,3,6 of which the highest is 6

Hence; HCF of 42 and 24 = 6

So, we can conclude that the error in his calculation is having not dividing both numbers by 6

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