3 years ago

I need help with question

Mathematics

1 answer:

Sergeu [11.5K]3 years ago

8 0

Answer:

y = x² + 2

Step-by-step explanation:

Given

x = $\sqrt{y-2}$ ( square both sides )

x² = y - 2 ( add 2 to both sides )

x² + 2 = y

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How many times can 18 go into 45

Savatey [412]

Answer:

45 divided by 18 = 2.5

Step-by-step explanation

18+18=36 so that is 2 times but 45-36 =9 we can divide 9 by 18 and get a half.

2+0.5=2.5

Hope this helps!

7 0

3 years ago

Read 2 more answers

solve the formula for calculating the perimeter of a parallelogram with sides b and c for c p = 2b+2c

Airida [17]

P = 2b+2c
-2b -2b

p -2b =2c
/2 /2

p/2 -b =c

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3 years ago

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Shane and Abha earned a team badge that required their team to collect no less than 2000 cans for recycling. Abha collected 178

dangina [55]

Answer:

$2S+178\ge 2,000,$

$[911,\infty).$

Step-by-step explanation:

Let S be the number of cans that Shane had collected.

Abha had collected 178 more cans than Shane did, then Abha had collected S+178 cans.

Shane and Abha earned a team badge that required their team to collect no less than 2000 cans for recycling, this means that

$S+S+178\ge 2,000,\\ \\2S+178\ge 2,000.$

Solve this inequality:

1. Divide it by 2:

$S+89\ge 1,000.$

2. Now

$S\ge 1,000-89,\\ \\S\ge 911.$

The solution set is $[911,\infty).$

6 0

3 years ago

Pls I’m about to cry...

marissa [1.9K]

FORMULA:

Volume of cylinder = πr²h
Volume of sphere = 4/3πr³

ANSWER:

Volume of capsule = 4/3πr³ + πr²h

πr²(4/3r + h)

3.14 × 2²(8/3 + 5.6)
3.14 × 4(2.6 + 5.6)
12.56(8.2)
102.99 or 103 rounded.

Now, Density = 0.7mg/mm³

0.7/103
0.00679mg

7 0

3 years ago

A single chocolate muffin has 260 calories, and a blueberry muffin has 240 calories. Both muffins can be bought at the local caf

Stella [2.4K]

Answer:

364 calories

Step-by-step explanation:

1/2 of 240=120 calories

fruit platter =210 calories

1/3 of 102=34

120+210+34=364 calories

8 0

3 years ago