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valina [46]
3 years ago
12

What are the answers 1-9

Mathematics
2 answers:
Margarita [4]3 years ago
6 0

1) 48
3)9
5)2
7)16
9) 35

Explanation use PEMDAS (parentheses, exponent, multiplication, devising, addition, subtraction)
PEMDAS will help you figure out where to start
zubka84 [21]3 years ago
4 0

Answer:

  • 48
  • 9
  • 2
  • 16
  • 35

Step-by-step explanation:

KNOWLEDGE IS KEY

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The diagram shows a sector of a circle radius 11 cm.
nadya68 [22]

Answer:

Perimeter of sector is 47.93 cm which is greater than 47.5 cm

Step-by-step explanation:

Mathematically, the perimeter of a sector is length of the arc plus 2 radii

The length of the arc is;

theta/360 * 2 * pi * r

where theta is the angle subtended by the arc at the center of the circle

Thus, we have

135/360 * 2 * 22/7 * 11 = 25.93

Add 2 radii = 25.93 + 2(11) = 47.93 cm

This is greater than what we are asked to calculate and thus we have shown what we are asked to show

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3 years ago
Simplify (0.4) to the third power
svetoff [14.1K]
0.064 is 0.4 to the third power
7 0
3 years ago
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The triangles in the figure are similar: ΔABC ∼ ΔDEF. Which of the following statements must be true? options: A) AB/DE=BC/EF=CA
VikaD [51]

Answer:

Answer A

Step-by-step explanation:

We see that ABC is similar to DEF. Pay attention to the order of these letters. The order that they read (left-to-right) is the order that they are similar. For example, AB is similar to DE. Despite being different triangles, they are both the <em>first two </em>letters in the triangle. So, knowing this, we can conclude that answer choice A is correct.

7 0
3 years ago
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Cheryl is planning to go to a four-year college in two years. She develops a monthly savings plan using the estimates shown. Wha
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Answer:

$541.67 per month

Step-by-step explanation:

Tuition and other expenses = $8,250 per semester.

There are two semesters in a year

She has 4 years to spend

Total semester=4years*2semesters

=8 semesters

4 years in college which is a total of 8 semesters.

Total Tuition and other expenses = $8,250 * 8

= $66,000

She needs a total of $66,00 to complete her college

Assistance from parents=$15,000

Financial aid(per semester)=$4750

Total financial aid=$38,000

Total assistance=

Assistance from parents+ financial aid

=$15000+$38,000

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Total savings=Total amount needed - Total assistance

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=$13,000

She needs to save $13,000 in two years

There are 12 months in one year

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3 0
3 years ago
6) The sum of three consecutive numbers is 120.<br> What is the smallest of the three numbers ?
bekas [8.4K]

Answer:

39

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Let the smallest number be n,

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Therefore the numbers are 39,40 and 41.

And the smallest number is 39.

8 0
3 years ago
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