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2 years ago

I WILL MARK BRAINLEST PLS

Mathematics

2 answers:

neonofarm [45]2 years ago

6 0

Answer:

b) 10 years

Step-by-step explanation:

8,000 x .04 = 800 x 10 = 8000

Hope that helps!

Snowcat [4.5K]2 years ago

3 0

Answer:

Step-by-step explanation:

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The ratio of two numbers is 2/3. The sum of the numbers is 105. What are the two numbers?

Pepsi [2]

A) x/y = 2/3
B) x + y = 105
Solving Equation A for y
A) y = 1.5x
Substituting A into B
B) x + 1.5x = 105
2.5x = 105
x = 42
y = 63

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3 years ago

A cyclist travels 7.7 km in 30 minutes. <br> What is his average speed in km/h?

NARA [144]

60 min = 1 hr
30 times 2 = 60 minutes
7.7 times 2 = 15.4 km
15.4 km per hr is the answer

PLEASE MARK BRAINLIEST

4 0

2 years ago

The walls of a square storage room in a warehouse are 300 feet long. What is the distance from one corner to the other corner of

yulyashka [42]

Use Pythagoras theorem. (a^2 + b^2 = c^2)

300^2+300^2 = 180000
√180000 = 424.3

The answer is 424 foot.

Hope this helps.

3 0

2 years ago

Find the area of this trapezoid. Include the correct unit in your answer.

NemiM [27]

Answer:

$\displaystyle A _{ \text{trapezoid}} = 70 {m}^{2}$

Step-by-step explanation:

we are given a trapezoid

we want to figure out the area

remember that,

$\displaystyle A _{ \text{trapezoid}} = \frac{a + b}{2} h$

where a and b represent the parallel lines and h represents the height

we get from the pic that a and b are 5 and 15 respectively and h is 7

so substitute:

$\displaystyle A _{ \text{trapezoid}} = \frac{5 + 15}{2} \times 7$

simplify addition:

$\displaystyle A _{ \text{trapezoid}} = \frac{20}{2} \times 7$

simplify division:

$\displaystyle A _{ \text{trapezoid}} = 10\times 7$

simplify multiplication:

$\displaystyle A _{ \text{trapezoid}} = 70$

since we multiply two same units we of course have to use square unit

hence,

$\displaystyle A _{ \text{trapezoid}} = 70 {m}^{2}$

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2 years ago

3) A packet of

coldgirl [10]

821 divid 2 equals 410 but your not saying how many portions it is equal to

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2 years ago