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3 years ago

Nina needs to make an array to solve this division problem: 142 3. How should she do it?

Mathematics

1 answer:

Tema [17]3 years ago

6 0

Answer: D

Step-by-step explanation: She should make rows of 3 until she has 47 rows. She will have 1 left over. Because 47*3 = 141 plus the left over 142

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How many models of 100 do you need to model 3200 explain

rusak2 [61]

32 models need to make model of 3200.

Given that a 1 model contain 100.

Two series of numbers, usually empirical data, that are proportional or proportional if their respective elements are in constant proportion, called the scaling factor or the rate constant.

One model has 100 elements.

Now, we have to find how many model contains 3200 elements.

So, 1 model=100 elements

n model =3200 elements

We will write this in proportion as

1/n=100/3200

Applying the cross multiply, we get

3200×1=n×100

Divide both sides with 100, we get

3200/100=100n/100

3200/100=n

32=n

Hence, the 32 models contain 3200 elements when one contain 100 elements.

Learn more about proportional from here brainly.com/question/23536327

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4 0

1 year ago

On their first day of vacation, a family spent $127.92 for meals. The family spent $160.01 for meals the second day. By what amo

ehidna [41]

Answer:

D=32.09

Step-by-step explanation:

160.01-127.92=32.09

5 0

2 years ago

Read 2 more answers

Find the tenth term in the sequence: 12,10,8,... a) -10 b) -6 c) -8 d) -18

raketka [301]

The answer is -6. because 12,10,8,6,4,2,0,-2,-4,-6.

6 0

2 years ago

Read 2 more answers

Which point would be a solution to the system of linear inequalities ?

brilliants [131]

Answer:

(12,-6)

Step-by-step explanation:

we have

$y\leq \frac{4}{3}x+5$ ----> inequality A

$y\geq -\frac{5}{2}x+5$ ---> inequality B

we know that

If a ordered pair is a solution of the system of inequalities, then the ordered pair must satisfy both inequalities (makes true both inequalities)

Verify each point

Substitute the value of x and the value of y of each ordered pair in the inequality A and in the inequality B

case 1) (0,-1)

Inequality A

$-1\leq \frac{4}{3}(0)+5$

$-1\leq5$ ----> is true

Inequality B

$-1\geq -\frac{5}{2}(0)+5$

$-1\geq 5$ ----> is not true

therefore

The ordered pair is not a solution of the system

case 2) (0,3)

Inequality A

$3\leq \frac{4}{3}(0)+5$

$3\leq5$ ----> is true

Inequality B

$3\geq -\frac{5}{2}(0)+5$

$3\geq 5$ ----> is not true

therefore

The ordered pair is not a solution of the system

case 3) (-6,-6)

Inequality A

$-6\leq \frac{4}{3}(-6)+5$

$-6\leq-3$ ----> is true

Inequality B

$-6\geq -\frac{5}{2}(-6)+5$

$-6\geq 20$ ----> is not true

therefore

The ordered pair is not a solution of the system

case 4) (12,-6)

Inequality A

$-6\leq \frac{4}{3}(12)+5$

$-6\leq21$ ----> is true

Inequality B

$-6\geq -\frac{5}{2}(12)+5$

$-6\geq -25$ ----> is true

therefore

The ordered pair is a solution of the system (makes true both inequalities)

8 0

3 years ago

A bird was perched on a tree at a height of 15 feet. The bird then saw food on a branch below and dropped down 61/3 feet. What i

natka813 [3]

The current height of the bird is -16/3

The bird perched at a height of 15 feet

The bird dropped to a height of 61/3 feet when it saw a food

The current height can be calculated as follows

= 15 - 61/3

= 45-61/3

= -16/3

Hence the current height of the bird is -16/3