MATHEMATICS MIDDLE SCHOOL

Solve z-5 /7 = -1 z=?

Answers

Answer 1

Answer:

$(z - 5)/(7) = -1$

times both sides by 7 (to get rid of the 7 on the left)

$z - 5 = -7$

Add 5 to both sides

$z = -7 + 5 = -2$

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You are wrapping a gift with the dimensions shown below. What is the least amount of wrapping paper you need?

Answers

that's a wierd gift

find surace area

2 identical side rectangle
2 identical end triangle
1 bottom rectangle

area of trialge=1/2bh
aera of rectangle=legnth tiems width

2 side rectangles are 5 by 10=50
times 2 since 2 of them 50*2=100

end triangles
1/2 times 8 times 3=12
2 of them
12 times 2=24

bottom
8 by 10
80

add everybody

100+24+80=204 in^2

Answer:

Step-by-step explanation:

find surace area2 identical side rectangle2 identical end triangle1 bottom rectanglearea of trialge=1/2bhaera of rectangle=legnth tiems width2 side rectangles are 5 by 10=50times 2 since 2 of them 50*2=100end triangles1/2 times 8 times 3=122 of them12 times 2=24bottom8 by 1080add everybody100+24+80=204 in^

Start watching tv at 1:20. Stopped watching at 4:05. how long did she spend watching TV?

Answers

The person spent 2 hours and 45 minutes watching TV. I know this because from 1:20 to 3:20 is two hours and then you do 60 - 20 which gives you 40 and you add that to 5.

The person watches 2 hours and 45 minutes of tv

1:20
2:20--------1 Hour
3:20--------2 Hours
4:05-------- 45 Minutes

Use cross products to determine which of the following proportions are equivalent to each other. Select all situations that apply.

Answers

9514 1404 393

Answer:

$(a)/(c)=(b)/(d)\ \Leftrightarrow\ (a)/(b)=(c)/(d)$

Step-by-step explanation:

The cross products related to the proportions shown here are ...

$(a)/(d)=(c)/(b)\ \Rightarrow\ ab=cd\n\n(a)/(c)=(b)/(d)\ \Rightarrow\ ad=bc\qquad\text{same as the fourth one}\n\n(d)/(a)=(c)/(b)\ \Rightarrow\ bd=ac\n\n(a)/(b)=(c)/(d)\ \Rightarrow\ ad=bc\qquad\text{same as the second one}$

I am a fraction > 5/7 but 6/7.My denominator is 4. _____
HINT: When you choose the numerator for the mystery fraction, pick a number that will be reduce to fraction with the denominator.
please help me ty

Answers

The answer is 3/4. If you convert the fractions to decimals, 5/7 = 0.71, 6/7 = 0.86, and 3/4 = 0.75. I hope this helps!

Express 8.21 as a mixed number.

Answers

I think that it is 8 21/100

$8 (21)/(100)$ will be the mixed number for the decimal value 8.21

City Park is a right triangle with a base of 40 ydand a height of 25 yd. On a map, the park has a
base of 40 in. and a height of 25 in. What is the
ratio of the area of the triangle on the map to
the area of City Park?

Answers

4p out of 25.........

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