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Rzqust [24]
3 years ago
6

It takes 90 minutes to vacuum 30 vehicles. At this rate, how many minutes does it take to vacuum 7 vehicles?

Mathematics
2 answers:
Ksju [112]3 years ago
5 0
Yep 21 is correct good luck
DIA [1.3K]3 years ago
3 0

Answer: 21.

Step-by-step explanation: If you do '90 x 7' you get 630. With this, you will want to divide 630 by 30. So to simplify this, '(90 x 7) ÷ 30 = 21'

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Identify the congruent angles in the figure.<br> Explain your reasoning.
kirill115 [55]

Answer:2 and 4 and 1 and three because there in the same corners

Step-by-step explanation: 2 and 4 are in open corners while 3 and 1 are in closed corners

6 0
2 years ago
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Find the height,h, of the triangle​
SVETLANKA909090 [29]

Answer:

60/13

Step-by-step explanation:

Use area.

5 x 12 x 1/2 = h x 13 x 1/2

13/2 h = 30

13 h =60

h = 60/13

7 0
2 years ago
A traditional postage stamp has a width of 4/5 inches and a length of 9/10. What is the area of a traditional postage stamp?
Illusion [34]
4/5*9/10= 36/50 = 18/25

Just multiply the fractions straight across since area is length*height
5 0
3 years ago
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CORRECT ANSWER GETS BRAINLIEST A frequency table of grades has five classes​ (A, B,​ C, D,​ F) with frequencies of ​4,11 ​,15 ​,
ra1l [238]

Answer:

A = 10.5%

B = 28.9%

C = 39.5%

D = 18.4%

F = 2.6%

Step-by-step explanation:

Add all the frequencies together = 38

  • 4/38 × 100 = 10.5%
  • 11/38 × 100 = 28.9%
  • 15/38 × 100 = 39.5%
  • 7/38 × 100 = 18.4%
  • 1/38 × 100 = 2.6%

10.5 + 28.9 + 39.5 + 18.4 + 2.6 = 100%

5 0
3 years ago
Point P is located at (-3,5)
Naya [18.7K]

Answer:

P' (- 7, - 5 )

Step-by-step explanation:

A translation of 3 units to the left means subtractin 3 from the x- coordinate with no change to the y- coordinate, thus

P(- 3, 5 ) → (- 3 - 4, 5 ) → (- 7, 5 )

Under a reflection in the x- axis

a point (x, y ) → (x, - y ), thus

(- 7, 5 ) → P'(- 7, - 5 )

5 0
3 years ago
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