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Crank
3 years ago
7

Can someone pls help me out

Mathematics
2 answers:
SVEN [57.7K]3 years ago
8 0

The answer to this question is A

USPshnik [31]3 years ago
3 0

Answer:

It is a money market account. So answer A.

Step-by-step explanation:

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How many solutions does -3x+9-2x=-12-5x have
Neko [114]

Answer:

-27+6x=-12-5x

Step-by-step explanation:

It has one solution

8 0
3 years ago
Find the missing values in the ratio table. Then write the equivalent ratios in the order they appear in the table.
Wewaii [24]

Calories increase by 25 each.
25, 50, ?, ? = 25, 50, 75, 100

Servings increase by 1/3 each. (1 = 3/3)

1/3, 2/3, 1, 4/3

8 0
2 years ago
If-1 is a root of f), which of the following must be true?
ANEK [815]

Answer:

A factor of f(x) is (x + 1).

Step-by-step explanation:

When we put x+1= 0 then we  get the value x= -1

This value is then put into the function to find out whether it is a root or not. For a root  to exist it must not have a remainder or the remainder must be zero.

Suppose the function is

F(x)= 2x³ - 42x - 40

f(-1)= 2(-1)³ - 42(-1) - 40

f(-1)= -2 + 42- 40

f(-1)= 0

This gives -1 as the root of the function.

6 0
2 years ago
Find all the missing sides and angles of this triangle.
3241004551 [841]

Answer:

A = 20°

AC = 6.6

BC = 2.4

Step-by-step explanation:

Given:

B = 70°

C = right angle = 90°

AB = 7

Required:

A, AC, and BC

Solution:

✔️A = 180 - (90 + 70) (sum of triangle)

A = 20°

✔️Use trigonometric function to find AC:

Refernce angle = 70°

Opp = AC

Hypotenuse = 7

Apply SOH,

sin 70 = Opp/Hyp

sin 70 = AC/7

7 * sin 70 = AC

6.57784835 = AC

AC = 6.6 (nearest tenth)

✔️Use trigonometric function to find Bc:

Refernce angle = 70°

Adj = BC

Hypotenuse = 7

Apply CAH,

cos 70 = Adj/Hyp

cos 70 = BC/7

7 * cos 70 = BC

2.394141 = BC

BC = 2.4 (nearest tenth)

3 0
3 years ago
Pls help with the following:<br><img src="https://tex.z-dn.net/?f=9x%20%7B%7D%5E%7B2%7D%20%20-%204%20%3D%200" id="TexFormula1" t
mario62 [17]

Answer:

x = ± \frac{2}{3}

Step-by-step explanation:

9x² - 4 = 0 ( add 4 to both sides )

9x² = 4 ( divide both sides by 9 )

x² = \frac{4}{9} ( take the square root of both sides )

x = ± \sqrt{\frac{4}{9} } = ± \frac{\sqrt{4} }{\sqrt{9} } = ± \frac{2}{3}

7 0
2 years ago
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