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2 years ago

Solve the following equation for x. x2 + 8x + 7 = 0

Mathematics

1 answer:

igomit [66]2 years ago

7 0

Step-by-step explanation:

x² + 8x + 7 = 0

(x + 7) (x + 1) = 0

x = -7 or -1

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Compare |-0.658| and |-0.653|

Andre45 [30]

Answer:

|−0.658| < |−0.653|.

Step-by-step explanation:

4 0

2 years ago

A person invested $7,400 in an account growing at a rate allowing the money to

Reil [10]

Answer:

well the money doubles every 6 years but its only been 4 so

7,400 x 4 = 29,600

$29,600 is the answer

8 0

2 years ago

Ahmed, Walid and Faisal made $1446 profit from selling used books. If Ahmed to receive double amount of Faisal and Walid to rece

crimeas [40]

Answer:

Faisal receives $241

Ahmed receives $482

Walid receives $723

Step-by-step explanation:

I am going to build a system of equations to solve this question.

We have that:

x is the amount that Faysal received.

y is the amount that Ahmed received.

z is the amount that Walid received.

Ahmed, Walid and Faisal made $1446 profit from selling used books.

This means that

$x + y + z = 1446$

Ahmed to receive double amount of Faisal

This means that $y = 2x$

Walid to receive triple amount of Faisal.

This means that $z = 3x$

$x + 2x + 3x = 1446$

$6x = 1446$

$x = \frac{1446}{6}$

$x = 241$

$y = 2x = 2*241 = 482$

$z = 3x = 3*241 = 723$

Faisal receives $241

Ahmed receives $482

Walid receives $723

8 0

3 years ago

2/3 ÷ 3/4 Express your answer in simplest form

ad-work [718]

Answer:

$\frac{8}{9}$

Step-by-step explanation:

$frac{2}{3}$ ÷ $\frac{3}{4}$

$frac{2}{3}$ × $frac{4}{3}$ = $\frac{8}{9}$

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3 years ago

Read 2 more answers

PLEASE ANSWER QUICKLY I WILL FOLLOW YOU<br><br>answer 3 and 4

valentinak56 [21]

Answer:

3. is B

4. is A

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers