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alexandr1967 [171]
4 years ago
6

30km=?miles44,000in=?cm21ft=?m0.75miles=?dam133yards=mmPlease show your work

Mathematics
1 answer:
kherson [118]4 years ago
5 0
So there is this chart my teacher showed me to help find the answers to your questions I will send a picture but here are the answers

30km is 18.642m
44,000in is 111760cm
21ft is 6.401m
0.75m I’m not for sure sorry but
133yards is 121615.2mm

I hope that helps sorry I did not understand the one question 0.75m

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2(a-7)=a+4<br> 15 6<br>PLS HELPPPPPPPPPPP​
muminat

Answer:

a = 18

Step-by-step explanation:

2(a-7)=a+4

Distribute 2 into left side: 2a -14 = a + 4

subtract a from both sides  2a-a-14 = a+4-a

Simplify: a  - 14 = 4

Add 14 to both sides: a - 14 + 14 = 4 +14

Simplify:   a = 18

If wanted, plug a into original to double check work:

plug in: 2 (18-7) = 18+4

do parenthesis first: 2 (11) = 18+4

do multiplication : 22 = 18+4

additions: 22 =22

a = 18 is correct.

8 0
3 years ago
Read 2 more answers
Write an equation of the line in slope-intercept form given the slope is -5 and the y-intercept is 7
elena-14-01-66 [18.8K]

Answer: Y= -5x + 7

Step-by-step explanation:

Y=Mx+b is slope intercept form therefore

The M is replaced with the slope and the b is the y- intercept hope this helps

6 0
3 years ago
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(x + 23) + (2x + 4) = 180<br><br> Find the value of ¨x¨
Nata [24]
(x+23)+(2x+4)=180

x+23+2x+4=180

3x+27=180

3x=180-27

3x=153 /: 3

x=51





6 0
4 years ago
Read 2 more answers
Please explain your answer thanks
allochka39001 [22]
Melissa is represented by variable m.
Josh is represented by variable j.
Chau is represented by variable c.

m+j+c= 148
c=4m
j=m+10

Substitute for c and j for the first equation.
m+(m+10)+4m=148
6m+10=148
6m=138
m=23

Plug the known m value in
j=23+10
j=33

c=4(23)
c=92

Final answer: Melissa=23 messages, Josh=33 messages, Chau=92 messages
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3 years ago
HI PLEASE HELP ME ;(((((((((
algol13
It’s the strawberry and orange one
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3 years ago
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