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julsineya [31]
3 years ago
10

HELP WANTED!!! 10 POINT REWARD!!!

Mathematics
1 answer:
nasty-shy [4]3 years ago
8 0
-5(a + 3) = -55
(a + 3)(-5) = -55
(a + 3) (-5)/-5 = -55/ (-5)
a + 3 = 11
a + 3 (-3) = 11 (-3)
a = 8

hope this helps
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Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
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Answer:

PT and SQ

Step-by-step explanation:

IF two segments are perpendicular then they will create 90 degree angles

segment PR and segment SQ cross over each other and create 90 degree angles therefore segment PR is perpendicular to segment SQ

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Yuliya22 [10]

Answer:

Step-by-step explanation:

44 + 99 + x = 180

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Greta has finished reading 15 pages from a 20-page magazine article. Which of these is another way to express the fraction of th
Verizon [17]
Answers: H

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3 years ago
what is the answer here 90 student went to the zoo, 3 had hamburger milk and cake; had 5 milk and hamburger; 10 had cake and mil
dangina [55]

Answer:

a) 37

b) 2

c) 17

d) 8

Step-by-step explanation:

90 Students went to the zoo. 3 had hamburger, milk and cake; 5 had milk and hamburger, 10 had cake and milk; 8 had cake and hamburger; 24 had hamburger; 38 had cake; 20 had milk. How many had a. nothing b. cake only c. milk only d. hamburger only

Solution:

Let h represent students that ate hamburger, m represent students that had milk and c represent students that had cake.

Given that:

n(h ∩ m ∩ c) = 3, n(m ∩ h) = 5, n(c ∩ m) = 10, n(c ∩ h) = 8, n(h) = 24, n(c) = 38, n(m) = 20

The number of students that had nothing = n(h  ∪ m ∪ C)'

The number of students that had only milk = n(m ∩ h' ∩ C')

The number of students that had only cake = n(m' ∩ h' ∩ C)

The number of students that had only hamburger = n(m' ∩ h ∩ C')

a) n(m ∩ h' ∩ C') = n(m) - n(m ∩ h) - n(c ∩ m) - n(h ∩ m ∩ c) = 20 - 5 - 10 - 3 = 2

n(m' ∩ h ∩ C') = n(h) - n(m ∩ h) - n(c ∩ h) - n(h ∩ m ∩ c) = 24 - 5 - 8 - 3 = 8

n(m' ∩ h' ∩ C) = n(m) - n(m ∩ c) - n(c ∩ h) - n(h ∩ m ∩ c) = 38 - 10 - 8 - 3 = 17

n(m ∩ h' ∩ C') + n(m' ∩ h ∩ C') + n(m' ∩ h' ∩ C) + n(h  ∪ m ∪ C)' + n(h ∩ m ∩ c) + n(m ∩ h) + n(c ∩ m) + n(c ∩ h) = 90

2 + 8 + 17 + 5 + 10 + 8 + 3 + n(h  ∪ m ∪ C)' = 90

53 + n(h  ∪ m ∪ C)' = 90

n(h  ∪ m ∪ C)' = 37

b) n(m' ∩ h' ∩ C) = 17

c) n(m ∩ h' ∩ C') = 2

d) n(m' ∩ h ∩ C') = 8

4 0
2 years ago
A drawer has a volume of 1575 cubic inches. the drawer is 5 inches deep and 21 inches long. What is the width of the drawer?
katrin [286]
Volume is l × w × h
l = 21 in
h = 5 in
w = ?
volume = 1575 in

21 × 5 × w = 1575
105 × w = 1575
w = 1575 ÷ 105
w = 15 inches
3 0
3 years ago
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