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never [62]
3 years ago
6

HELP PLSS

Mathematics
2 answers:
LiRa [457]3 years ago
8 0
<h2>Answer:</h2>

D 2c + 4c + c

<h2>Step-by-step explanation:</h2>

Collect Coefficients of like terms

(2+4+1)\times c

__________________________________________________

Calculate the sum or difference

7c

__________________________________________________

Determine true/false

Determine\ whether\ 7c\ and\ 2c+4c+c\ are equivalent:

True

<em>I hope this helps you</em>

<em>:)</em>

<h3 />
ratelena [41]3 years ago
7 0
.Answer:
Choices A and D =7c
Explanation:
I’ve attached my work..

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What is the equation of the line on the graph?<br> i need help plzz can anyone help me
umka2103 [35]
I think it’s 11,-8 I’m not sure tho
7 0
3 years ago
Help pls it’s hard and I can’t find any answers
Dominik [7]

The correct answer would be C. rectangle!

Explanation:

When someone is asking for the cross-section shape, they are basically asking for you to cut the shape up (where the 2d figure is) and imagine what the shape would be. For example, if you cut a rectangular prism in half and see what shape it is, it would show a rectangle! This was difficult for me when I first learned it, you'll get the hang of it when you get more practice:)!

5 0
3 years ago
What is 6 ones 7 hundredths -2.3
zmey [24]

6 ones 7 hundredths -2.3

We make a place chart for 6 ones 7 hundredths. We write 0 in the remaining place value.

Hundred     tens    Ones   point     tenths     hundredths       thousandths

  0                0          6            .             0             7                             0

6 one 7 hundredths is 6.07

Now subtract 2.3 from 6.07

6.07 - 2.3 = 3.77

Answer : 3.77

4 0
4 years ago
Read 2 more answers
Could anyone that has taken or is currently taking math 3 go look at my profile pls? I posted a question and got a fake answer.
kozerog [31]

Answer:

I tried

Step-by-step explanation:

3 0
3 years ago
Hi I need help please
jek_recluse [69]

Answer/Step-by-step explanation:

Recall: if two figures are similar, we know that the ratio of their areas = the square of the ratio of their corresponding sides

Apply this knowledge to solve the problems given.

✔️Problem 1 (4-sided polygon):

Let the missing area be x cm²

Therefore,

\frac{x}{9} = \frac{8^2}{4^2}

\frac{x}{9} = \frac{64}{16}

\frac{x}{9} = 4

Multiply both sides by 9

x = 9*4

x = 36 cm²

✔️Problem 2 (3-sided polygon):

Let the missing area be y cm²

Therefore,

\frac{y}{240} = \frac{8^2}{32^2}

\frac{y}{240} = \frac{64}{1,024}

\frac{y}{240} = \frac{1}{16}

Multiply both sides by 240

y = ¹/16 × 240

y = 15 cm²

✔️Problem 3 (5-sided polygon):

Let the missing area be z cm²

Therefore,

\frac{z}{40} = \frac{3^2}{2^2}

\frac{z}{40} = \frac{9}{4}

Multiply both sides by 40

z = \frac{9}{4} * 40

z = \frac{9}{1} * 10

z = 90 cm²

7 0
3 years ago
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