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3 years ago

Is y = 4x + 2 parallel or perpendicular

Mathematics

1 answer:

Molodets [167]3 years ago

4 0

Step-by-step explanation:

pls brainliest thank you

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A researcher is comparing the effectiveness of three devices designed to help people who snore. There are 210 people who snore p

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Answer:

the answer is 000-210

Step-by-step explanation:

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8 0

3 years ago

I NEED HELP!!

Tpy6a [65]

Answer:

Step-by-step explanation:

Step 1: Find the total fraction of raisins he gave to his brothers

Step 2: Find the lowest common multiple(Lcm) of 6 and 4

Lcm of 6 and 4 = 12

Step 3: Add the fractions

= $\frac{2+ 3}{12}$

= $\frac{5}{12}$

Step 4: To find the fraction that he kept, you will subtract the total fractions he gave his brothers from 1.

$1 - \frac{5}{12} \\= \frac{12-5}{12} \\= \frac{7}{12}$

Final answer

The fraction that he kept = $\frac{7}{12}$

3 0

3 years ago

Amy is 9 years older than her younger sister. if her younger sister is now 1 year old, how many years later will Amy be 4 times

Sholpan [36]

<h3>Answer:-</h3>

Age of Amy's younger sister=1year

☆Amy is 9 years older than her younger sister.

$\\ \sf\longmapsto Age\:of\:Amy=1+9=10years$

Let after x years Amy will be 4times old as her sister.

ATQ

$\\ \sf\longmapsto \dfrac{1+x}{9+x}=\dfrac{1}{4}$

Using cross multiplication

$\\ \sf\longmapsto 4(1+x)=1(9+x)$

$\\ \sf\longmapsto 4+4x=9+x$

$\\ \sf\longmapsto 4x-x=9-4$

$\\ \sf\longmapsto 3x=5$

$\\ \sf\longmapsto x=\dfrac{5}{3}$

$\\ \sf\longmapsto x=1.6$

$\\ \sf\longmapsto x=2(approx)$

5 0

3 years ago

How many moles are in 4.23 x 1024 formula units of NaCl

Rashid [163]

Answer:

mol Fe3O4 6.022 x 1023 formula units Fe3O4 = 1.20 x 1024 formula units Fe3O4. 1 mol ... a-How many moles of sodium chloride does the can of salt contain?

Step-by-step explanation:

4 0

3 years ago

3+7(0.7+1.3) What is the answer and how to solve it?

quester [9]

When you see this kind of question use « BODMAS »
1.Add the 2 digits which is 3+7=10
2.Add the digits inside which is 0.7+1.3=2
3.Add the inside and outside
3+7(0.7+1.3)
10(2)=20

5 0

2 years ago