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KengaRu [80]
2 years ago
5

Pls help me with my maths

Mathematics
2 answers:
diamong [38]2 years ago
5 0

Answer:

58 cm

Step-by-step explanation:

10+19+10+19

lina2011 [118]2 years ago
4 0
58 , you have to add 10+10 and 19+19 , since you make it into two different shapes
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At a carnival , 7 out of 10 people order a hot dog. If there is 90 people at the carnival, how many of them did
maxonik [38]

Answer:

27 people

Step-by-step explanation:

Out of 10 people, 7 people ordered a hot dog.

Multiply both sides by 9:

Out of 90 people, 7\times9 people ordered a hot dog.

Thus, 63 people ordered a hot dog.

Number of people who did not order a hot dog: 90-63=27

8 0
2 years ago
Jimmy purchased 15 tickets to a concert and spent $140. He purchased some children's tickets and some adult tickets. The childre
fiasKO [112]

Answer:

Jimmy purchased 8 of the children's ticket and 7 of the adult's ticket.

Step-by-step explanation:

Let c = children tickets

Let a = adult tickets

<u>Given the following data;</u>

Number of tickets = 15

Total amount spent = $140

Cost of each children ticket = $7

Cost of each adult ticket = $12

*Translating the word problem into an algebraic equation (system)*

<em>For the total number of tickets;</em>

c + a = 15 .........equation 1

<em>For the total amount spent;</em>

7c + 12a = 140 ..........equation 2

*Solving the linear equation by using the substitution method*

<em>Making c the subject in equation 1:</em>

c = 15 - a .......equation 3

<em>Substituting "c" into equation 2;</em>

7(15 - a) + 12a = 140

<em>Simplifying the equation, we have;</em>

105 - 7a +12a = 140

105 + 5a = 140

<em>Rearranging the equation, we have;</em>

5a = 140 - 105

5a = 35

a = \frac {35}{5}

a = 5 (For the $12 adult ticket).

To find the number of children tickets;

Substituting "a" into equation 3;

c = 15 - 7

c = 8 (For the $7 children ticket).

4 0
2 years ago
Two angles are congruent if and only if they have the same _____.
pav-90 [236]

Answer:

measurements

Step-by-step explanation:

I hope this helped and have a great day!

5 0
3 years ago
I need help please i’ll give a brainliest to the person who has the correct answer
Vikentia [17]

Answer:

It should be <u>35.4</u>

Step-by-step explanation

Because 35 degrees makes a right triangle

6 0
3 years ago
P+7 – 5 = –10 – 3p<br><br> Step by step
oksian1 [2.3K]

Step-by-step explanation:

you add the three p to p and that's 4p and

4p+7-5=-10

4p-2=-10

+2=+2

4p=-8

devide by four on both side so p is-2

6 0
2 years ago
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