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ratelena [41]
3 years ago
14

PLSSS HELP IF YOU TURLY KNOW THISS

Mathematics
2 answers:
Ainat [17]3 years ago
8 0
Its 4, divide 5 by 5 and you get 2x-7=1, then move all terms to the right side of the equation which gives you 2x=8, then divide by 2, gives you 4.
snow_tiger [21]3 years ago
3 0

Answer:

5(2x-7)=5

10x-35 = 5

10x=40

40/10 = 4

x=4

Step-by-step explanation:

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Robert ran 3 1/3 mph for 3/4 of an hour. How far did he run?​
matrenka [14]

Answer:

2 ½ miles

Explanation:

mph = miles per hour, which means that if robert had run for the full 1 hour, he would have run 3 ⅓ miles.

however, since he only ran for ¾ of an hour, which is equal to 0.75, we can multiply the 3 ⅓ miles by 0.75 to get 2.5 or 2 ½ miles.

i hope this helps! :D

7 0
3 years ago
Use division instead of the images to divide 18 by 4. What is the quotient of the division? What is the remainder?
musickatia [10]

18 \div 4
First see what 4 could go by and the answer closest to 18 that is not more than the answer is the first number of the answer.
4×1=4
4×2=8
4×3=12
4×4=16
In this case 4 is the first number of the answer because if you fo 4 by 5 it equals 20 , which is more than the answer
4×5=20
after that , you subtract the answer, 18 minus 16 which is 2 because nothing times 4 equals 2
So the remainder is 2/4 or .50
If you have any questions about this please don't hesitate to ask me

4 0
3 years ago
A school principal ordered 1,000 pencils.He gave an equal number to each of 7 teachers until he had given out as many as possibl
Ahat [919]
1000/7 = <span>142.857142857

Because this is not an even number we take "142", then times it by 7 teachers.

142*7= 994

1000 - 994 = 6 Pencils left</span>
3 0
3 years ago
Read 2 more answers
Sarah's family of 4 went camping for 1 week. they each year 3 paper plates a day. how many paper plates did the family use up we
Mama L [17]

Answer:

84

Step-by-step explanation:

they use 3 plates a day

there are 4 of them

so in one day, they use 12 plates [3x4]

they camp for 7 days, so 12x7.

84!! :D

4 0
3 years ago
Write the quadratic equation whose roots are 2 and -4 and whose leading coefficient is 2
Goryan [66]

Answer:

2x^2+4x-16

Step-by-step explanation:

The quadratic can be written as

f(x) = a(x-z1)(x-z2) where z1 and z2 are the roots

f(x) = a (x-2)(x- -4)

a is the leading coefficient

f(x) = 2(x-2)(x+4)

     = 2(x^2 -2x+4x-8)

     = 2(x^2 +2x-8)

     = 2x^2 +4x-16

5 0
3 years ago
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