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olga2289 [7]
3 years ago
7

How do you work this problem out Y+1/2=7/10

Mathematics
1 answer:
ch4aika [34]3 years ago
4 0
Y= 1/5, this is because 1/2 is 5/10 and 1/5 is 2/10, therefore 5/10 + 2/10= 7/10
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5x when x=7 ......... NEED HELP
Gnoma [55]

Answer:

35

Step-by-step explanation:

5 x 7 = 35

5 0
3 years ago
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What would be the concentration if we were to mix 200g of 10% sugar solution and 300g of 20% sugar solution?
Firdavs [7]
+ <span>200g of 10% sugar solution: there is 200*10%= 20 g
+ </span><span>300g of 20% sugar solution: 300*20%= 60 g
The total of sugar: 20+60= 80g
And The </span><span>concentration is 80:(200+300)= 80:500= 16%
Have fun</span>
6 0
3 years ago
If you have $46 dollars. Your mom has $53 and your brother has $74 and you spent $16 mom spent $6 and brother spend $14 if your
Dafna11 [192]
The answer is $274 because u add 46,53, and 74 then subtract 16,6 and 14 then multiply the answer by two
4 0
3 years ago
Which of the following functions is not linear?
Marrrta [24]

Answer:

<h2>D. y = 8x² + 8x + 4</h2>

Step-by-step explanation:

The equation of a linear function is in form:

y=mx+b

We have:

\bold{A.}\\\\y=8(x+8)+4(x+8)\qquad\text{use the distributive property}\\\\y=8x+64+4x+32\qquad\text{combine like terms}\\\\y=12x+86\to m=12,\ b=86\\\\\bold{linear\ function}

\bold{B.}\\\\y=\dfrac{\sqrt8}{8}x-4\to m=\dfrac{\sqrt8}{8},\ b=-4\\\\\bold{linear\ function}

\bold{C.}\\\\y=\dfrac{1}{8}x+8\to m=\dfrac{1}{8},\ b=8\\\\\bold{linear\ function}

\bold{D.}\\\\y=8x^2+8x+4\\\\\bold{not\ linear\ function}\\\\\text{because is}\ x^2\\\\\text{It's a quadratic function}

3 0
3 years ago
A dinner table is a perfect circle with a diameter of 8 feet
Daniel [21]

Answer:

The area of the tablecloth showing is approximately 45.55 square feet

Step-by-step explanation:

The diameter of the dinner table, D = 8 feet

The diameter of each plate, d = 1 feet

The number of people at the dinner table = 6 people

The number of plates = 6 plates

The area of the table cloth, A₁ = π·D²/4

∴ A₁ = π × 8²/4

The area covered by the 6 plates, A₂ = 6·π·d²/4

A₂ = 6 × π × 1²/4

Let 'A' represent the area of the tablecloth showing when the table is set for six people, we have;

A = A₁ - A₂

∴ A = π × 8²/4 - 6 × π × 1²/4 ≈ 45.55 ft.²

The area of the tablecloth showing when the table is set for six people, A ≈ 45.55 ft.²

8 0
3 years ago
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