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Phoenix [80]
3 years ago
14

The sum of seven times a number, and 2, is equal to six times the number.

Mathematics
2 answers:
Olegator [25]3 years ago
6 0
Sum means addition. Times means multiplication, and "is" means an equality, or equals. We use a variable to represent the unknown number.

So 7x+7 is the sum of seven times a number and 7. 6x means six times the number. 6x is 7x+7, leading to the final answer 7x+7=6x.
Maslowich3 years ago
5 0

Answer:

(7x + 2) = 6x

x = -2

Step-by-step explanation:

(7x + 2) = 6x

-2 -2

———————

7x = 6x - 2

-6 -6

———————

1x = -2

=

x = -2

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poizon [28]

answer:

16

step by step explanation:

flour+sugar=8+6=14

14 = 28  \\ 8 =  \\  \\ 8 \times 28 \div 4 = 16

7 0
3 years ago
Steel is formed by combining masses of carbon and iron in the ratio 1:49. How many pounds of iron would it take to create 10 pou
Sergeu [11.5K]

Answer:

9.8

Step-by-step explanation:

1:49= ratio of carbon to to iron

1+49= steel

50=10pounds

49=?pounds

49 * 10/50

=49/5

=9.8pounds

4 0
3 years ago
ALlice, Bob, and Kevin go to an ice cream shop that sells 7 different flavors of ice cream:chocolate, vanilla, mint chip, strawb
Ierofanga [76]

Alice has 36 possibilities of choosing ,Bob 126 and Kevin 84.

Alice, Bob and Kevin

7 different Flavors:

Chocolate

Vanillla

mint chip

strawberry

cookie dough

banana

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The order of the 9 scoops does not matter.

_ _ _ _

a) How many ways can she choose her 9 scoops so she gets at least 1 scoop of each flavor?

Since there are 7 flavors, and she wants at least one of each then we have:

C=\frac{9!}{7!2!}\text{ =3}6

Alice has 36 possibilites of choosing

b) Bob

Since Bob can't eat too much he can't do no more than 4

C\text{ =}\frac{9!}{4!5!}=126

Bob has 126 possibilities of making his choice.

c) Kevin

3 scoups of banana or 3 scoups of strawberries.

Considering He wants 9 scoups.

C=\frac{9!}{6!3!}=84

Kevin has 84 possibilities for banana or strawberries

7 0
1 year ago
HELLLLLLLLLLLLLLPPPPP!!!!!!!!!!!! ASAP!!!! Two linear equations are represented by using the tables below. A 2-column table with
malfutka [58]

Answer:

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Step-by-step explanation:

When you graph the points, you find that the lines intersect at the point (-1, -5). That is the solution to the system of equations.

 (x, y) = (-1, -5)

3 0
2 years ago
Read 2 more answers
What is the value of x?<br><br> x + 13 = 59
Volgvan

Answer:

x=46

Step-by-step explanation:

subtract 13 from both sides

x=59-13=46

7 0
4 years ago
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