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2 years ago

Evaluate the expression. 7 x (6 - 3) 21 39 46 63

Mathematics

2 answers:

Crank2 years ago

5 0

Answer:

Step-by-step explanation:

6-3 comes first

6-3= 3

7x(3)

7x3= 21

drop the x

21x

Vlad1618 [11]2 years ago

4 0

Answer:

It's 21

Step-by-step explanation:

7(6−3)

=(7)(3)

=21

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If x and (19x+30) are the measures of complementary angles, what is the measure of each angle?

Alisiya [41]

Answer:

3° and 87°

Step-by-step explanation:

here's your solution

=>  we know that measure of complementary angle is 90°

=>. one angle is. = x

=> other angle is .= (19x + 30)

=> so, x + 19x + 30° = 90°

=> 20x + 30° = 90°

=> 20x = 60°

=> x = 60/20

=> x = 3°

hence one angle is 3° and other is 87°

hope it helps

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3 years ago

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Alchen [17]

Answer:

Dónde está

Step-by-step explanation:

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2 years ago

If the area of a circle is 576 pie squared what is the circumference

kenny6666 [7]

576^2 = 24 ÷ 3 = 8 × 2r = 8 × 6 = 48

7 0

3 years ago

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6 Monica reads 15 pages of a mystery book in 9 minutes. What is

Ivan

Answer:

135

Step-by-step explanation:

15 x 9 = 135

3 0

2 years ago

Read 2 more answers

noname [10]

Answer: 7

Step-by-step explanation:

Given : The recommended daily allowance for vitamin c is 60 mg per day .

Then, for one whole week , the recommended allowance for vitamin c will be :-

$7\times60=420\text{ mg}$

Also, there are 70 mg of vitamin C per 100 g orange.

1 g = 1000 ml

The proportion of Vitamin C in 100 g = $\dfrac{70}{100000}=0.0007$

1 oz =28.3495 grams

Then, $3\ oz= 3\times28.3495=85.0485 \text{ gm}=85048.5\ mg$

Then, amount of vitamin C in 85048.5 mg = $0.0007\times85048.5=59.53395\approx59.53\ mg$

Then, the number of oranges have to eat each week to meet this requirement= $\dfrac{420}{59.53}\approx7$

Hence, about 7 oranges you would have to eat each week to meet this requirement.

8 0

3 years ago