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Pachacha [2.7K]
3 years ago
6

HURRY HELP 18 POINTS

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
7 0

Answer:

C. She did not follow order of operations.

Step-by-step explanation:

Order of operations says you always have to multiply before you add when solving an equation, unless there are parentheses. Meaning that she should have multiplied -9 and 2/5 first before adding -18, instead of adding -9 and -18 first.

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Work out (10-3 x 2) to the power of 2
Leno4ka [110]

Answer:

16

Step-by-step explanation:

parentheses first: 10-6 which is 4^2 or 16.

Hope this helps :D

8 0
3 years ago
Which radical expression is equivalent to 3^3/4
OleMash [197]
The numerator of the fraction is the power of the number and the denominator is the root of the number. This is expressed as follows:

⁴√(3)³
8 0
3 years ago
Read 2 more answers
Willing to give brainliest to the best answer! Please show your work! Need help with these 3 problems ASAP!
vampirchik [111]

Answer:

5:05

6

10

Step-by-step explanation:

3:30 + 1 hour = 4:30

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4 0
3 years ago
What is the diameter of a circle with a circumference of 176 feet use for 22 over for pie
Ipatiy [6.2K]
Formula for Diameter: <span>2 x radius
Formula for Radius:  R= C/2(pi)</span>
R= 176/2(22/7)
R=28.01
2(28.01)=56.02

Answer= 56.02


7 0
3 years ago
Convert the mixed number 7 4/7 to a mixed decimal and round the nearest thousand
RideAnS [48]
Using a calculator, you can find out that \sf{ \frac{4}{7}\approx 0.571428571 \approx.571

and so that means \sf{ 7\frac{4}{7}\approx 7.571428571 \approx 7.571

so your answer is

\sf{ 7\frac{4}{7} \approx \huge{\boxed{7.571}}
8 0
3 years ago
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