3 years ago

Y=7-4x; domain={-3,-1,5}

Mathematics

1 answer:

sergiy2304 [10]3 years ago

8 0

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Find the volume of the prism

Andrei [34K]

Answer:

440cm³

Step-by-step explanation:

Area of trapezium base=

$\frac{1}{2} \times (a + b) \times h$

$\frac{1}{2} \times (8 + 14) \times 4$

$\frac{1}{2} \times 22 \times 4 \\ = \frac{88}{2} \\ = 44 {cm}^{3}$

Volume=Area or trapezium x Height between trapezium ends

$= 44 \times 10 \\ = 440 {cm}^{3}$

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3 years ago

Fine the probability of not rolling factor of 4 on both dice

Marianna [84]

Answer:

the answer is 6

Step-by-step explanation:

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3 years ago

Hello hope your day is well i really need help with this expand question 4(a+5)-2(a-5)

BARSIC [14]

Answer:

2a + 30

Step-by-step explanation:

break it down so it is 4(a+5)

then work out -2(a-5)

so 4 x a then 4 x 5 which gives 4a + 20

then -2 x a then -2 x -5 which gives -2a + 10

then when you have 4a + 20 -2a + 10

do 4a - 2a which is 2a

do 20 + 10 which is 30

so the answer comes to 2a + 30

if anything doesnt seem right just comment and i will correct

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3 years ago

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Thirteen plus eight times n equals negative three

Free_Kalibri [48]

13+8n=-3

<em>Subtract 13 from both sides</em>

8n=-16

<em>Divide both sides by 8</em>

n=-2

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3 years ago

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What is -3(-4a-2)???

AleksAgata [21]

Answer:

-3(-4a - 2) = 12a + 6

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3 years ago

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