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3 years ago

Evaluate.

2 answers:

7 0

Hey! First we have to solve what's in parentheses. We can use the PEMDAS method too. P = parentheses E = exponents M = multiplication D = division A= addition S = subtraction. We also solve left to right. So starting off with what's in the parentheses, 64/8, that equals 8. So now the equation is 53-8+102.

Now is 53 - 8, which is 45. Now we just add 102 and 45. Your final answer would be 147! Hope this helped.

lana66690 [7]3 years ago

4 0

53-(64:8)+102=53-8+102=147

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The dot plot below shows the number of days with different temperatures last month. What is the mean of the data set shown? A. 8

julia-pushkina [17]

Answer:

D. 81

Step-by-step explanation:

I think the attached photo supports for your question to be answered

Here is my answer:

Number of days: 30

Mean of the data set = (68 + 70*2 +74*2 +76*4 +78 +80*5 + 82*3 +84*5 + 88 +88*3 + 92*3) /30 = 81

3 0

3 years ago

Read 2 more answers

Dwight and Walt are building model cars. Dwight builds 7 fewer models than 4 times the number Walt builds.Dwight builds at most

romanna [79]

$4x-7\leq 9$ inequality could be used to find the number of models Walt builds. Correct option B).

<u>Step-by-step explanation:</u>

Here we have , Dwight and Walt are building model cars. Dwight builds 7 fewer models than 4 times the number Walt builds.Dwight builds at most 9 models. We need to find Which inequality could be used to find the number of models Walt builds . Let's find out:

Let the the number Walt builds is x , So Dwight builds 7 fewer models than 4 times the number Walt builds i.e.

⇒ $4x-7$

But , according to question Dwight builds at most 9 models i.e.

⇒ $4x-7\leq 9$

⇒ $4x\leq 16$

⇒ $\frac{4x}{4}\leq \frac{16}{4}$

⇒ $x\leq 4$

Therefore , $4x-7\leq 9$ inequality could be used to find the number of models Walt builds which is Dwight builds at most 9 and Walt builds at most 4 .

4 0

3 years ago

Which of the following is equal to the expression above

EleoNora [17]

Answer:

$15 \sqrt[3]{2}$

Step-by-step explanation:

${(27 \times 250)}^{ \frac{1}{3} } = {(27 \times 125 \times 2)}^{ \frac{1}{3} } \\ = {27}^{ \frac{1}{3} } \times {125}^{ \frac{1}{3} } \times {2}^{ \frac{1}{3} } \\ = \sqrt[ 3]{27} \times \sqrt[3]{125} \times \sqrt[3]{2} \\ = \sqrt[3]{ {3}^{3} } \times \sqrt[3]{ {5}^{3} } \times \sqrt[3]{2} \\ = 3 \times 5 \times \sqrt[3]{2} \\ = 15 \sqrt[3]{2}$

4 0

3 years ago

HELP! IM STUCK!

Readme [11.4K]

Answer:

$(x-1)^2+(y+4)^2=9$

Step-by-step explanation:

The equation of a circle is given by:

$(x-h)^2+(y-k)^2=r^2$

Where (h, k) is the center and r is the radius.

The center of the circle is (1, -4).

And the radius is 3.

Substitute:

$(x-(1))^2+(y-(-4))^2=(3)^2$

Simplify. Thus, our equation is:

$(x-1)^2+(y+4)^2=9$

3 0

3 years ago

Sadie has mangos and watermelons in a ratio of 91:11. How many mangos does she have if she has 66 watermelons?

snow_lady [41]

Answer:

546 manogoes

Step-by-step explanation:

Sadie has mangos and watermelons in a ratio of 91:11.

We need to find the number of mangoes if she has 66 watermelons.

It means that,

11x = 66

x = 6

So,

Mangoes = 91x

= 91(6)

= 546

Hence, there are 546 mangoes.

3 0

3 years ago