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geniusboy [140]
3 years ago
14

Factor the expression 28r+42s-35

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
3 0

Answer:7(4r+6s-5)

Step-by-step explanation:

The GCF is 7

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A machine can manufacture 1,805 nails in 10 minutes.how many nails can the machine make in 8 minutes?​
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1,805 divided by 10.

180.5 nails made in 1 minute.

180.5 times 8.

1,444 nails are made by the machine in eight minutes

6 0
2 years ago
The ratio of the corresponding linear measures of two similar cans of fruit is 4 to 7. The smaller can has a surface area of 220
Oxana [17]
4/7=220/x. multiply 220 by 7 then divide by 4. x=385 square centimeters.
5 0
3 years ago
What is the volume of a shoe box with length 13 inches, width 7 inches, and height 5 inches?
Rudiy27
The answer to the question would be 455
5 0
3 years ago
Jenny and Natalie are selling cheesecakes for a school fundraiser. Customers can buy chocolate cakes and vanilla cakes. Jenny so
IrinaVladis [17]

The cost of 1 chocolate cake is $ 6 and cost of 1 vanilla cake is $ 7

<em><u>Solution:</u></em>

Let "c" be the cost of 1 chocolate cake

Let "v" be the cost of 1 vanilla cake

<em><u>Jenny sold 14 chocolate cakes and 5 vanilla cakes for 119 dollars</u></em>

Therefore, we can frame a equation as:

14 x cost of 1 chocolate cake + 5 x cost of 1 vanilla cake = 119

14 \times c + 5 \times v=119

14c + 5v = 119 ------- eqn 1

<em><u>Natalie sold 10 chocolate cakes and 10 vanilla cakes for 130 dollars</u></em>

Therefore, we can frame a equation as:

10 x cost of 1 chocolate cake + 10 x cost of 1 vanilla cake = 130

10 \times c + 10 \times v = 130

10c + 10v = 130 -------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

Multiply eqn 1 by 2

28c + 10v = 238 ------ eqn 3

<em><u>Subtract eqn 2 from eqn 3</u></em>

28c + 10v = 238

10c + 10v = 130

( - ) --------------------------

18c = 108

c = 6

<em><u>Substitute c = 6 in eqn 1</u></em>

14(6) + 5v = 119

84 + 5v = 119

5v = 119 - 84

5v = 35

v = 7

Thus cost of 1 chocolate cake is $ 6 and cost of 1 vanilla cake is $ 7

8 0
2 years ago
Please Help I Will Give Brainlest
LiRa [457]
H has to be a number so that when you divide it by nine it will equal nine.
Reversing this, it would look like this.
9*9=h
h=81
3 0
2 years ago
Read 2 more answers
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