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malfutka [58]
3 years ago
7

Anyone know what 13+(x+8) is

Mathematics
1 answer:
babymother [125]3 years ago
6 0
Answer:
13 + x + 8
= x + 21
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Replace ? with a whole number to make the statements true. a. 20 ÷ 4 ? means ? × 4 = 20 b. 2,725 ÷ 5 ? means ? × 5 = 2,725 c. ?
Kipish [7]
20/4 means 5 * 4 = 20
2725/5 means 545*5 = 2725
0/5 = 0
==============
25x = 1475
x = 1475/25
x = 59 <== 59 boxes of diapers were bought
==============
18h + 70(36) = 4608
18h + 2520 = 4608
18h = 4608 - 2520
18h = 2088
h = 2088/18
h = 116....she did 116 haircuts
=================
575 + 13(118) = total cost         Inverse operations to check...
575 + 1534 = total cost             2109 - 1534 = 575
2109 = total cost                        575 = 575 (correct)
=================
320/39 = 2240/x....320 miles to $ 39 = 2240 miles to $ x
cross multiply
(320)(x) = (39)(2240)
320x = 87360
87360/320 = x
273 = x....it would cost $ 273

inverse operations to check....320 * 273 = 87360
                                                 87360 = 87360 (correct)
4 0
3 years ago
Need help solving BF
geniusboy [140]
I hope this helps you



if B midpoint for AC than AB=BC=a



AB/AC=BF/CE



a/a+a =BF/90


a/2a=BF/90


1/2=BF/90


BF=90/2


BF=45
5 0
3 years ago
Read 2 more answers
What multiplied by 6 equals 534?
Liula [17]

The answer is 89

we should just divide 534 by 6 and thats the answer

8 0
3 years ago
Read 2 more answers
How do you add (− 3c4 − 5c2 − 7c) + (4c4 + 8c3 + 2c2)
scZoUnD [109]

Answer:

c4+8c3+−3c2+−7c

Step-by-step explanation:

Let's simplify step-by-step.

−3c4−5c2−7c+4c4+8c3+2c2

=−3c4+−5c2+−7c+4c4+8c3+2c2

Combine Like Terms:

=−3c4+−5c2+−7c+4c4+8c3+2c2

=(−3c4+4c4)+(8c3)+(−5c2+2c2)+(−7c)

=c4+8c3+−3c2+−7c

8 0
3 years ago
Read 2 more answers
What is the length of segment AB to the nearest tenth?
ankoles [38]

Answer:

4.9 units

Step-by-step explanation:

Distance between 2 points= sqrt [(x-x)^2 + (y-y)^2

A= -4,2) and B= (1,4)

d = sqrt[(-4-1)^2 + (2-4)^2]

= sqrt (25+4)

= sqrt29

= 4.9 units

7 0
3 years ago
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