2 years ago

From the set {30, 42, 84}, use substitution to determine which value of x makes the equation true.

Mathematics

1 answer:

Maru [420]2 years ago

8 0

2,520/x = 60
x = 42, which means your answer is B.

2,520/42 = 60

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Estimate 10/12 − 3/8 using benchmark values. Your equation must show the estimate for each fraction and the final estimate for t

Maksim231197 [3]

Answer: $\frac{11}{24}$

Step-by-step explanation:

Give expression is,

$\frac{10}{12}-\frac{3}{8}$

Since L.C.M ( 12, 8 ) = 24

$=\frac{10\times 2}{12\times 2}-\frac{3\times 3}{8\times 3}$

$=\frac{20}{24}-\frac{9}{24}$

$=\frac{20-9}{24}$

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$\text{Hence, }\frac{10}{12}-\frac{3}{8}=\frac{11}{24}$

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3 years ago

Joshua spent 3/7 of his money on souvenirs. he has 16 dollars left. how much money did he spend on souvenirs.

Irina18 [472]

1) 1 - 3/7 = 4/7 - he has left (=16 dollars)
2) 16 : 4/7 = 16 * 7/4 = 28 dollars - he has money
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4 0

3 years ago

They sold 64 adult tickets (x) and 132 kid tickets (y) and made $1040. An adult ticket is double the cost of a kid's ticket. How

Andrej [43]

Answer: the cost of one adult ticket is $8

the cost of one kid ticket is $4

Step-by-step explanation:

Let x represent the cost of one adult ticket.

Let y represent the cost of one kid ticket.

They sold 64 adult tickets (x) and 132 kid tickets (y) and made $1040. This means that

64x + 132y = 1040 - - - - - - - - - - -1

An adult ticket is double the cost of a kid's ticket. This means that

x = 2y

Substituting x = 2y into equation 1, it becomes

64 × 2y + 132y = 1040

128y + 132y = 1040

260y = 1040

y = 1040/260 = 4

x = 2y = 2 × 4

x = 8

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3 years ago

Which expression could be represented by this model? Check all that apply.

svetoff [14.1K]

Answer:

8=8

Step-by-step explanation:

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4 years ago

Solve the given equation for x.<br>6 + x = C

Jobisdone [24]

Answer:

x=c-6

Step-by-step explanation:

6+x=c

-6 -6

x=c-6

6 0

3 years ago