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3 years ago

Sean has $75 to spend on CDs. If each CD costs $6.98, about how many CDs can he buy?

2 answers:

7 0

75/6.98=10.744
We would most likely round this down to 10 even though the .7 because if we round up we would go over the budget.
So he can buy about 10 CDs

Mrac [35]3 years ago

5 0

Answer:

He can buy 10 CD's

Step-by-step explanation:

Cost of 1 CD = $6.98

Let x be the no. of CD's

So, Cost of x CD's = $6.98 x

We are given that Sean has $75 to spend on CD's.

So, He cannot spend more than $75

So, $6.98 x \leq 75$

$x \leq \frac{75}{6.98}$

$x \leq 10.744$

So, he can buy 10 CD's

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Two group of scouts each have 120 members. If 1/3 of the first group and 1/4 of the second group elect to go on a field trip, ho

ValentinkaMS [17]

1/3 of 120 is 40
1/4 of 120 is 30

therefore, 10 more scouts in the first group elected to go on the trip

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3 years ago

The perimeter of a triangular field is 120m. Two of the sides are 21m and 40m.Calculate the largest angle of the field.

Mama L [17]

Answer:

the largest angle of the field is 149⁰

Step-by-step explanation:

Given;

perimeter of the triangular filed, P = 120 m

length of two known sides, a and b = 21 m and 40 m respectively

The length of the third side is calculated as follows;

a + b + c = P

21 m + 40 m + c = 120 m

61 m + c = 120 m

c = 120 m - 61 m

c = 59 m

↓ ↓

A → → → → → → → → → → → C

Consider ABC as the triangular field;

Angle A is calculated by applying cosine rule;

$a^2 = b^2 + c^2 - 2bc \ Cos A\\\\Cos \ A = \frac{b^2 + c^2 - a^2}{2bc} \\\\Cos \ A = \frac{40^2 + 59^2 - 21^2}{2 \times 40 \times 59} \\\\Cos \ A = 0.983\\\\A = Cos ^{-1} (0.983)\\\\A = 10.6 \ ^0$

Angle B is calculated as follows;

$Cos \ B = \frac{a^2 + c^2 - b^2}{2ac} \\\\Cos \ B = \frac{21^2 + 59^2 - 40^2}{2 \times 21 \times 59} \\\\Cos \ B = 0.937\\\\B= Cos ^{-1} (0.937)\\\\B = 20.5 \ ^0$

Angle C is calculated as follows;

$Cos \ C = \frac{a^2 + b^2 - c^2}{2ab} \\\\Cos \ C = \frac{21^2 + 40^2 - 59^2}{2 \times 21 \times 40} \\\\Cos \ C = -0.857\\\\C = Cos ^{-1} (-0.857)\\\\C = 149\ ^0$

Therefore, the largest angle of the field is 149⁰.

8 0

3 years ago

Complete the statements. If necessary, round angle measures to the nearest degree. Round other values to the nearest hundredth

yKpoI14uk [10]

The answer is 74
Hope this is helpful

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3 years ago

) Mr. Rivera is making a healthy dessert for his nephew who has diabetes. He wants

Rus_ich [418]

Answer:

see below

Step-by-step explanation:

Apple crisp has

8 servings and contains 80 grams of sugar.

80 grams / 8 servings = 10 grams per serving

Greek frozen yogurt has

12 servings and contains 60 grams of sugar.

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He should make Greek frozen yogurt

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4 years ago

Read 2 more answers

.Write a division equation so that it has a solution of -2

Irina18 [472]

Let’s take a random number such as 10, for example as the divisor of the equation.
Let’s take the dividend, or numerator of the fraction be x.
The solution of the fraction would be -2.

x/10 = -2
Or, x= -2 x 10
Or, x= -20

Therefore, -20/10 = -2
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4 0

3 years ago