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Anarel [89]
3 years ago
9

Here is an expression

Mathematics
1 answer:
hjlf3 years ago
3 0
20(7) as in 20 x 7 = 140
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Mark has $1,700 to buy a new computer. The computer he wants is on sale for $1,475. How much would he save if he bought the comp
vodka [1.7K]

Answer:

the answer to the question would be c.

1700-1475=225

Step-by-step explanation:


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3 years ago
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Kiesha can install a fence in 3 days. Robert can install the same fence in 8 days. How long, in days,
tankabanditka [31]

Answer:

5.5 days

Step-by-step explanation:

you need to find the average between them so add them up and divide by 2.

4 0
3 years ago
In a group of mherchants, 80% of them purchase goods from Asia, and 25% of them purchase goods from Europe. Which of following s
monitta

Answer:

7. 25% of the merchants who purchase goods from Asia also purchase from Europe.

Step-by-step explanation:

I am going to say that:

A is the percentage of merchants who purchase goods from Asia.

B is the percentage of merchants who purchase goods from Europe.

We have that:

A = a + (A \cap B)

In which a is the probability that a merchant purchases goods from Asia but not from Europe and A \cap B is the probability that a merchant purchases goods from both Asia and Europe.

By the same logic, we have that:

B = b + (A \cap B)

Which of following statement is individually sufficient to calculate what percent of the merchants in the group purchase goods from Europe but not form Asia?

We already have B.

Knowing A \cap B, that is, the percentage of those who purchase from both Asia and Europe, we can find b.

So the correct answer is:

7. 25% of the merchants who purchase goods from Asia also purchase from Europe.

8 0
3 years ago
A boat is heading towards a lighthouse, whose beacon-light is 136 feet above the
alexandr1967 [171]

The distance between the points A to B is 899.9 feet. After rounding off the  nearest integer we get 900 feet as the final answer.

Given we know that CD is perpendicular to AD.

The distance between CD is 139 feet.

As from points A the boat's crew measure the angle of elevation to the beacon as 6°

therefore, m∠A = 6°

Another time the angle of elevation is measured from point B which is 19°.

therefore, m∠DBC = 19°

tan 19° = CD/BD

BD = CD/tan19°

BD = 136/tan 19°

now for tan 6° = CD/AD (tangent is opposite over adjacent)

AD = CD/tan 6°

AD = 136/tan 6°

AB = AD ₋ BD

AB = 136/tan 6° ₋ 136/tan 19°

AB = 1295.2 ₋ 395.3

AB = 900 feet

hence the distance from point A to B is 900 feet.

Learn more about Heights and distances here:

brainly.com/question/2004882

#SPJ9

5 0
2 years ago
The function f(x)=200(1.4)^t gives the approximate number of fish in a large pond after t years. Select all of the true statemen
tatyana61 [14]
I think the answer would be C
5 0
3 years ago
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