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suter [353]
3 years ago
10

Can someone plz tell me the answer quick!!

Mathematics
2 answers:
Fantom [35]3 years ago
6 0
12 hours at his first job ($8 per hour) and 11 hours at his second job ($9 per hour)
patriot [66]3 years ago
5 0
He worked 9 hours in his first job and 5 hours in his second
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Someone help on number 5 please
babunello [35]

the answers are as follows C B F

5 0
3 years ago
Sylvester says that 0.000002015 written in scientific notation is 2.015 x 10 by the power of 6. Do you agree with him? Explain w
Marrrta [24]

Answer:

0.000002015 is not equal to 2.015x10^6

Step-by-step explanation:

When a power of 10 is positive the dot must be moved to the right, and when the power of 10 is negative, the dot must be moved to the left.

For example 50.000x10^3=50000 and 45.00x10^{-3}=0.045

So

2.015x10^6=2,015,000

wich is clearly not equal to 0.000002015

the correct scientific notation for 0.000002015 must be:

2.015x10^{-6}

With a negative in the power of 10, referring to a small quantity.

3 0
3 years ago
If a tabletop has a diameter of 35 inches, what is the approximate circumference of the tabletop? The answer choices are A 600 i
In-s [12.5K]

Answer:

B 110

Step-by-step explanation:

The formula for circumference is C= pi × d

(I couldn't find the symbol for pi)

You would plug in 35 for d to solve. You get a long decimal so you round it to 110.

So the approximate circumference for the tabletop is 110 inches.

3 0
3 years ago
Read 2 more answers
Use the discriminant to describe the roots of each equation. Then select the best description. x2 - 6x + 9 = 0 double root real
Digiron [165]

ax^2 + bx+c =0

discriminant b^2-4ac

(-6)^2 - 4(1) *(9)

36-36 = 0

if the discriminant >0  it has 2 real roots

                              = 0  it has 1 root of multiplicity 2

                             < 0 has 2 imaginary root

x^2 - 6x + 9 = 0

(x-3)(x-3)=0

root is 3 multiplicity 2

Answer : double root real and rational

4 0
3 years ago
Help me find the slopes of these please.
Irina18 [472]

Slope formula: y2-y1/x2-x1

Part one:

-7-4/-7-(-7)

-11/0

Since the denominator is 0, the slope is undefined.

Part two:

-9-(-9)/2-(-5)

0/7

Since the numerator is 0, the slope is 0.

Best of Luck!

4 0
3 years ago
Read 2 more answers
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