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scoray [572]
3 years ago
7

Re-write the quadratic function below in Standard Form y = -7(x + 9) (x - 1)

Mathematics
1 answer:
iogann1982 [59]3 years ago
5 0

Answer:

-7x squared -56x+63.

Step-by-step explanation:

Hope this helps!

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d

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What is the approximate area of the shaded sector in the circle shown below
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D) 191

Step-by-step explanation:

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Find the distance between two points: (1,4) and (11,9)
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√125=5√5

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5 0
3 years ago
Find the missing side lengths. Leave your answer as radicals in simplest form.
Ronch [10]

Answer:

Hence x = y = 2

Step-by-step explanation:

Using the SOH CAH TOA identity

Hypotenuse = 2√2

Opposite = x

theta = 45

Sin theta = opp/hyp

Sin 45 =x/2√2

1/√2 = x/2√2

x = 2√2 * 1/√2

x = 2

To get y we will use the pythagoras theorem;

(2√2)² = x² +y²

(2√2)² = 2²+y²

8 = 4 + y²

y² = 8-4

y² = 4

y = √4

y = 2

Hence x = y = 2

7 0
3 years ago
BRAINLIEST ANSWER GIVEN Without actually solving the​ problem, choose the correct solution by deciding which choice satisfies th
pochemuha

Answer:

<h2>length = 6 feet</h2><h2>width = 4 feet</h2>

Step-by-step explanation:

Perimeter of a rectangle = 2l + 2w

where l is the length

w is the width

The length of the rectangle is 2 feet longer than the width is written as

l = 2 + w

Perimeter = 20feet

So we have

20 = 2( 2 + w ) + 2w

20 = 4 + 2w + 2w

4w = 16

Divide both sides by 4

w = 4

Substitute w = 4 into l = 2 + w

That's

l = 2 + 4

l = 6

<h3>length = 6 feet</h3><h3>width = 4 feet</h3>

Hope this helps you

4 0
3 years ago
Read 2 more answers
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