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3 years ago

(7.NS.la): The initial balance of a savings account was $355. After which transactions

Mathematics

1 answer:

e-lub [12.9K]3 years ago

7 0

Answer:

Step-by-step explanation:

The first one equals $401. B gives you the initial balance. C equals $547. D equals $243

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Need help multiple choice please!

dem82 [27]

Answer:

it is A

Step-by-step explanation:

you need to distribute the terms $3x^2$ and -4 into their respective parentheses.

$3x^2*x =3x^3$

$3x^2*3=9x^2$

so the left side completed is $3x^3+9x^2$

next do the other side

$-4*1 =-4$

$-4*-2x^2 =8x^2$ (remember - * - = +)

Right side complete is $-4+8x^2+7$

both put together is $3x^3+9x^2-4+8x^2+7$

combine like terms to get

$3x^3+17x^2+3$

4 0

3 years ago

What number does the calculator display represent? MULTI CHOICE

IgorLugansk [536]

E represents as the exponent of 10

3 0

3 years ago

Explain the difference between using the tangent ratio to solve for a missing angle in a right triangle versus using the cotange

Lena [83]

Answer:

While determining the angle $\theta$ with the tangent ratio or cotangent ratio uses the same sides lengths but the ratios are inverse of each other.

Step-by-step explanation:

See the diagram attached.

Let us assume a right triangle Δ ABC with ∠ B = 90°. Now, assume that the angle ∠ CAB = $\theta$ and the sides AB, BC, CA are 3, 4, 5 units respectively.

The tangent ratio of an angle $\theta$ is given by

$\tan \theta = \frac{BC}{AB} = \frac{4}{3}$

Again, the cotangent ratio of angle $\theta$ is given by

$\cot \theta = \frac{AB}{BC} = \frac{3}{4}$

Therefore, in both the cases of tangent ratio and cotangent ratio are inverse of each other and while determining the angle $\theta$ with the tangent ratio or cotangent ratio uses the same sides lengths but the ratios are inverse of each other. (Answer)

4 0

3 years ago

A flagpole is 20 feet tall. At 4 p.m. it casts a shadow that is 15 feet long. How far is it from the top of the flagpole to the

evablogger [386]

9514 1404 393

Answer:

25 feet

Step-by-step explanation:

The hypotenuse of the right triangle with legs 15 feet and 20 feet can be found using the Pythagorean theorem:

h^2 = 20^2 +15^2

h^2 = 400 +225 = 625

h = √625 = 25

The distance from the shadow tip to the flag pole tip is 25 feet.

3 0

3 years ago

Find IJ. A. 17 B. 10.5 C. 10 D. 13

Zolol [24]

Answer:

B:10.5

Step-by-step explanation:

half of 21 is 10.5

8 0

3 years ago

Read 2 more answers