3 years ago

What is the vertex of the graph of y = x^2 + 4x?

Mathematics

1 answer:

Sidana [21]3 years ago

7 0

The answer is (-2,-4)

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Setler [38]

What do you mean by answer? you cannot solve for a numerical value without setting it equal to anything.

the only thing you can do is factor out a 2

2(-x +2)

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2 years ago

Cassandra has $2000 dollars in a bank account that she uses to make automatic $900.01 mortgage

Klio2033 [76]

Answer:

Step-by-step explanation:

it's CASSANDRA business so she solve it herself

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Find the Probability of P(bankrupt)

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0.22 because one side is 11 and the other is 11 so 11+11 is 22 the pursent of 22 is 0.22

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Vertices A and B of triangle ABC are on one bank of a river, and vertex C is on the opposite bank. The distance between A and B

Anna71 [15]

Answer:

The length of side b is 179 ft

Step-by-step explanation:

Given triangle ABC in which

∠A = 33°, ∠B = 63°, c=200

we have to find the length of b

In ΔABC, by angle sum property of triangle

∠A+∠B+∠C=180°

33°+63°+∠C=180°

∠C=180°-33°-63°=84°

By sine law,

$\frac{\sin \angle A}{a}=\frac{\sin \angle B}{b}=\frac{\sin \angle C}{c}$

$\frac{\sin \angle B}{b}=\frac{\sin \angle C}{c}$

$\frac{\sin 63^{\circ}}{b}=\frac{\sin 84^{\circ}}{200}$

$b=200\times \frac{\sin 63^{\circ}}{\sin 84^{\circ}}=179.182887\sim 179 ft$

The length of side b is 179 ft

Option C is correct.

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3 years ago

6) Double a number is equal to the number decreased by five. Find the number.

Lemur [1.5K]

Answer:

B) -5

Step-by-step explanation:

let the number be x

2x=x-5

take x to the other side

2x-x=-5

×=-5

4 0

2 years ago