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ser-zykov [4K]
2 years ago
7

1/4s - 4 - 2/3s = 5 what is the value of s

Mathematics
2 answers:
ElenaW [278]2 years ago
4 0
The answer would be s = 108/-5 and in decimal form -21.6.

s/4 - 4 - 2/3s = 5

s/4 - 4 - 2s/3 = 5

5s/-12 - 4 = 5

5s/-12 = 5 + 4

5s/-12 = 9

-5s = 9 * 12

-5s = 108

s = 108/-5.
Fynjy0 [20]2 years ago
3 0
First combine like terms
5+4= 9
1/4s-2/3s= -5/12s

-5/12s= 9
S= -21.6
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Natali [406]

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Step-by-step explanation:

200+40x=600

600-200=400

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5 0
3 years ago
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Answer:

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Step-by-step explanation:

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8 0
2 years ago
Length of the median CP
ehidna [41]

Given:

ΔABC \sim ΔDEF

To find:

The length of median CP

Solution:

In ΔABC,

AP = 12, BP = 12 and PC = 3x - 12

In ΔDEF,

DQ = 16, QE = 16 and FQ = 2x + 8

If two triangles are similar, then their median is proportional to the corresponding sides.

$\Rightarrow \frac{AP}{DQ} =\frac{PC}{FQ}

$\Rightarrow \frac{12}{16} =\frac{3x-12}{2x+8}

Do cross multiplication.

$\Rightarrow 12(2x+8)=16(3x-12)

$\Rightarrow 24x+96=48x-192

Add 192 on both sides.

$\Rightarrow 24x+96+192=48x-192+192

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Subtract 24x from both sides.

$\Rightarrow 24x+288- 24x=48x- 24x

$\Rightarrow 288=24x

Divide by 24 on both sides.

⇒ 12 = x

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The length of median CP is 24.

7 0
3 years ago
Dawn Dough and Dale earned different amounts $9.35,$8.52,and$8.25 dale and Doug earned about $9.00 Dawn earned exactly $1.10less
Zielflug [23.3K]

We know that the amounts earned by Dawn, Doug and Dale are from the list of numbers: $9.35, $8.52 and $8.25

We also know that Dale and Doug earned close to $9.00

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Let the amount earned by Dale be x

⇒ Amount earned by Dawn is x - 1.1

If we notice the list of numbers, we see that $9.35 and $8.25 differ by $1.1

Hence, Dale earned $9.35 and Dawn earned $8.25

We are now left with $8.52, which should be the amount earned by Doug. This is correct, since we also know that Doug earned close to $9.

Hence, the amounts earned are:

Dale: $9.35

Doug: $8.52

Dawn: $8.25

8 0
3 years ago
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8_murik_8 [283]

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