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AlexFokin [52]
3 years ago
15

How do I do this? (Number 8)

Mathematics
2 answers:
JulsSmile [24]3 years ago
4 0
He's not correct. The area of the figure is 89 sq. ft.

6*8 = 48
7*7 = 49

48 + 49 = 97

but those two rectangle are shared with the little rectangle with 2 by 4
so this area = 2 * 4 = 8

97 - 8 = 89

 <span />
den301095 [7]3 years ago
3 0
You multiply 2 numbers at a time then add all
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I need help ASAP!!!!!! I’m on a test!<br> I’ll give Brainliest!
jonny [76]

Answer:

10.6

Step-by-step explanation:

  4 + 6(1.3) - 2.4 * 0.5

= 4 + 6 * 1.3 - 2.4 * 0.5

= 4 + 7.8 - 0.5 * 2.4

= 4 + 7.8 - 1.2

= 10.6

6 0
3 years ago
Bryce tried to solve an equation step by step. \qquad\begin{aligned} \dfrac83&amp;=3\left(c+\dfrac53\right)\\\\ \\ \dfrac83&amp;
sesenic [268]

Answer:

Bryce is wrong in step 1 because he did not distribute 3 over 5/3

Explanation

Given the steps taken by bryce as shown, we are to find where he made an error

\qquad\begin{aligned} \dfrac83&=3\left(c+\dfrac53\right)\\\\ \\ \dfrac83&=3c+\dfrac53&\green{\text{Step } 1}\\\\ \\ 1&=3c&\blue{\text{Step } 2}\\\\ \\ \dfrac13&=c&\purple{\text{Step } 3}\\\\ \end{aligned}

Given the expression;

\dfrac83&=3\left(c+\dfrac53\right)\\\\ \\

Step 1:Expand the bracket using the distributive law;

8/3 = 3c + 3(5/3)

<em>Simplify</em>

8/3 = 3c + 15/3

Step 2: Subtract 15/3 from both sides

8/3 - 15/3 = 3c+15/3-15/3

(8-15)/3 = 3c

-7/3 = 3c

Step 3: Multiply both sides by 1/3

-7/3 * 1/3 = 3c * 1/3

-7/9 = c

Swap

c = -7/9

From the calculation, we can see that Bryce is wrong in step 1 because he did not distribute 3 over 5/3 thereby making his solution incorrect

3 0
2 years ago
Which of the following uses the Distributive Property to determine the product 12(185) Question 6 options: a) 12(100) + 12(13) b
MariettaO [177]

Answer:

d) 12(100) + 12(80) + 12(5)

Step-by-step explanation:

According to the distributive property, if a,b, c, and d are real numbers, then

a(b+c+d)=ab+ac+ad

We want to find the product 12(185).

We can expand 185 as 100+80+5

Our product then becomes;

12(185)=12(100+80+5)

We expand using the distributive property to get;

12(185)=12(100)+12(80)+12(5)

The correct choice is D

8 0
3 years ago
Read 2 more answers
Jill is trying to find the area of football field with the track around it at her high school. It is composed of a rectangular m
Vaselesa [24]
I am pretty sure it is B or C I think B
7 0
3 years ago
Read 2 more answers
Show how to find the unit rate of oats to quinoa. Tell what the unit rate means.
Dmitry [639]

Answer:

The unit rate is 4 cups of oats per a cup of quinoa

Unit Rate is a ratio of two measurements in which the 2nd term is 1

Step-by-step explanation:

* Lets explain the meaning of unit rate

- A rate is a ratio that is used to compare different types of quantities

- A unit rate describes how many units of the first type of quantity

 corresponds to one unit of the second type of quantity

- To calculate the unit rates, we simply divide the two numbers

  in a fraction with denominator equal 1

- Ex:

# The unit rate of 50 miles per 5 hours is 50/5 = 10 miles per hour

# The unit rate of $20 dollars for 5 books is 20/4 = 5 dollars per book

∴ <u><em>Unit Rate is a ratio of two measurements in which the 2nd term is 1</em></u>

<u><em /></u>

* <em>Lets find the unit rate of oats to quinoa</em>

∵ There are 2 cups of oats

∵ There is a 1/2 cup of quinoa

∵ We need the unit rate of oats to quinoa

- Divide the quantity of oats by the quantity of quinoa

∴ 2/(1/2) ⇒ multiply up and down by 2

∴ (2 × 2)/(1/2 × 2) = 4/1

∴ <u><em>The unit rate is 4 cups of oats per a cup of quinoa</em></u>

4 0
3 years ago
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