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Helen [10]
3 years ago
9

IN A TEST NEED HELP RN!

Mathematics
2 answers:
Zarrin [17]3 years ago
7 0

Answer:

15t

Step-by-step explanation:

mina [271]3 years ago
3 0

Answer:

u should get 15t  i think

Step-by-step explanation:

sry if this is wrong otherwise idk what the answer is plz dont get mad at me for giving u the wrong answer

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Please help me this is about to be overdue!!!
Hoochie [10]

I think three might be the correct answer

3 0
3 years ago
At what rates did she invest?<br> $1500 invested at___%<br> $800 invested at ____%
frosja888 [35]

Answer:

4% and 5% respectively

Step-by-step explanation:

Let the intrest rate be x in the first account at x% and (x+1)% in the second account.

ATQ, 100=(x)*1500/100+(x+1)*800/100

x=4.

3 0
2 years ago
<img src="https://tex.z-dn.net/?f=%20%7Ba%20%7D%5E%7B2%7D%20%20%2B%208a%20%2B%2015%20%3D%200" id="TexFormula1" title=" {a }^{2}
NISA [10]

Answer:

a = - 5, a = - 3

Step-by-step explanation:

Given

a² + 8a + 15 = 0 ← in standard form

(a + 3)(a + 5) = 0 ← in factored form

Equate each factor to zero and solve for a

a + 3 = 0 ⇒ a = - 3

a + 5 = 0 ⇒ a = - 5

8 0
3 years ago
How can you use a right angle to determine the classification of another angle?
nirvana33 [79]
you can measure the first angle with a protractor and then measure the other one see if there is a different angle
7 0
3 years ago
Read 2 more answers
Ruby red paint costs $0.50 per square inch. A ball is painted ruby red and costs $100.00 to paint. What is the diameter of the b
8090 [49]
The diameter can be obtained by the formula A = pi*r^2

First, multiply 0.50 * 100 to obtain the area of the ball, then simplify and solve for the radius. Doubling the radius would yield the diameter. This is shown below:

Area of the ball = 0.50 * 100 = 50 in^2
<span>A = pi*r^2
</span>50 = (3.14)*r^2
r = 3.99 = approx. 4
diameter = 2r
Diameter = 8 inches.

Among the choices, the correct answer is C. 8.0 in. 

6 0
3 years ago
Read 2 more answers
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