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3 years ago

What's one way to check the answer to 5×6=30

Mathematics

1 answer:

Alla [95]3 years ago

7 0

Step-by-step explanation:

30÷6 =5 or 30÷5 =6 good luck!

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At a hot dog stand , they serve regular and footlong hot dog at a ratio of 3 to 2 . How many footlongs will be served if there i

garik1379 [7]

Answer:

32 Foot long hot dogs

Step-by-step explanation:

A hot dog stand serves 3 regular hot dogs for every 2 foot long hot dogs. This means they sell 3+2 = 5 together.

If they sell 80 in one day, then you find how many of each by solving the equation 5x = 80.

5x = 80

x = 16.

So 3*16 is the number of regular which is 48.

So 2*16 is the number of foot long which is 32.

7 0

3 years ago

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the atlantic ocean is 2.78×10^4 feet deep at it's lowest point. If a scuba diver dives 1/50 of the total depth of the ocean, ent

irina [24]

Answer:

556 feet

Step-by-step explanation:

What you have to do to get the answer is find out what 10^4 is, and then multiply that by 2.78. After that, you just need to divide it by 50.

10^4 = 10,000

2.78 × 10,000 = 27,800

27,800 ÷ 50 = 556

3 0

3 years ago

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. Amber coaches soccer and volleyball. She coaches both sports for a total of 10 hours each day. The

Yakvenalex [24]

Answer:

10= v + (2v + 1)

Volleyball = 3 hours

Soccer= 7 hours

Step-by-step explanation:

Hope this helps!!!

Hunter M.

6 0

3 years ago

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An insect's body is 1/10 inch long. The insect's head is 3/100 inch long. Is the combined length of the insect's body and head l

Over [174]

Answer:

The insect's combined body length is shorter than 4/10

Step-by-step explanation:

To get the combined length of the insect's body, we add the length of the head of the insect to the length of the body of the insect.

The body of the insect is 1/10 inch long and the head of the insect is 3/100 inch long. Hence, its combined body length is:

$L = \frac{1}{10} + \frac{3}{100}$

Finding the Lowest Common Multiple of the denominators and simply, we have:

$L = \frac{10 + 3}{100} = \frac{13}{100}$

The combined body length of the insect is 13/100 inches.

13/100 is smaller than 4/10 (4/10 is equivalent to 40/100).

Hence, the insect's combined body length is shorter than 4/10.

Note: if we are to pay attention to units, we would not be able to compare 13/100 inches to 4/10 because 4/10 is unitless.

8 0

3 years ago

Simplify the problem thank you

NikAS [45]

Given the expression:

$\displaystyle \large{ \sqrt[3]{ - 125} }$

Definition:

$\displaystyle \large{ y = \begin{cases} \pm \sqrt[n]{x} \longrightarrow n = (2,4,6,8,...) \: \: (x \geqslant 0) \\ \sqrt[n]{x}\longrightarrow n = (1,3,5,7,...) \: \: (x \in \R) \end{cases}}$

First, factor the -125. -125 comes from (-5)×(-5)×(-5) or (-5)^3.

$\displaystyle \large{ \sqrt[3]{ ( - 5) \times ( - 5) \times ( - 5)} }$

Because if (-5)^2 = 25 then 25×(-5) again will be -125.

Since this is the cube root, we have to pull out 3 terms in one. There are 3 fives that we can take off and therefore,

$\displaystyle \large \boxed{ - 5}$

5 0

3 years ago

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