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2 years ago

Help please it math!!!!

Mathematics

1 answer:

77julia77 [94]2 years ago

4 0

Answer:

I think its B i might be wrong

Step-by-step explanation:

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This thing mad hard for no reason

muminat

Answer:

1. 3.81 x 10^2

2. 2.571428 × 10^1

3. 5x10^2

4. 1.09 x 10^-6

5. 2x10^-5

Step-by-step explanation:

Make sure to put a line over the numbers that have decimals.

4 0

2 years ago

Read 2 more answers

John placed $5000 in an account that earns interest compounded annually. His interest rate is 8.2%. If John leaves his money in

devlian [24]

$9,100

I multiplied 5000 x .082 and got 410
then i multiplied 410 x 10 and got 4,100
then i added 5000 + 4100 to get $9,100.

8 0

2 years ago

Which costs more per gallon? 5 gallons for $12.50 or 11 gallons for $26.40

Effectus [21]

Answer: 5

Step-by-step explanation:

If;

5 gallons = $12.50 / 5 = $2.50/gallon

11 gallons = $26.40 / 11 = $2.40/gallon

In conclusion, 5 gallons cost more per gallon than 11.

6 0

3 years ago

John and Kamira are playing a game. John scores - 5 in the first round, while Kamira scores 7.

disa [49]

Answer:

the sum of John's score and Kamira's score

Step-by-step explanation:

-5 + 7 = 2

8 0

3 years ago

A semi-circle window can be used above a doorway or as an accent window

anzhelika [568]

A semicircle is a part of a circle, and it is referred to as half of a given circle. Thud the area of the semi-circle window is 982 $in^{2}$ .

A circle is a shape that is bounded by a curved path which is referred to as the circumference. Some parts of a circle are radius, diameter, sector, arc, semi-circle, circumference, etc.

A semicircle is a part of a circle, and it is referred to as half of a given circle.

such that:

Area of a circle = $\pi$ $r^{2}$

and

area of a semicircle = $\frac{\pi r^{2} }{2}$

where: r is the radius of the circle, and $\pi$ is a constant with a value of $\frac{22}{7}$ .

Thus from the given question, it can be inferred that;

r = $\frac{50}{2}$

= 25

r = 25 in

Thus, the area of the semi-circle can be determined as;

area of the semi-circle = $\frac{1}{2}$ * $\frac{22}{7}$ * $25^{2}$

= 982.1429

area of the semi-circle = 982.14 $in^{2}$

The area of the semi-circle window is approximately 982 $in^{2}$ .

for more clarifications on the area of a semi-circle, visit: brainly.com/question/15937849

#SPJ 1

8 0

2 years ago