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Nataly_w [17]
3 years ago
11

HELP PLEASE!!

SAT
1 answer:
LenaWriter [7]3 years ago
4 0

Answer:

I think it is either A or D

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56. If f(x) = x? - 2, then f(x + h) = ?
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F. r? + h2

Explanation:

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2 years ago
13.Total no. of English Alphabet ____<br>a)26<br>b)27<br>c)28<br>d)29​
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26 is the answer (a)
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Calculate the mass of hydrogen in 57. 010 grams of ammonium hydrogen phosphate.
erastovalidia [21]

The mass of hydrogen in 57.010 g ammonium hydrogen phosphate, (NH₄)H₂PO₄ is 2.97 g  

<h3>Determination of mass of 1 mole of (NH₄)H₂PO₄ </h3>

1 mole of (NH₄)H₂PO₄ = 14 + (4×1) + (2×1) + 31 + (16×4) = 115 g

<h3>Determination of the mass of H in 1 mole of (NH₄)H₂PO₄ </h3>

Mass of H = 6H = 6 × 1 = 6 g

<h3>Determination of the mass of H in 57.010 g of (NH₄)H₂PO₄ </h3>

115 g of (NH₄)H₂PO₄ contains 6 g of H.

Therefore,

57.010 g of (NH₄)H₂PO₄ will contain = (57.010 × 6) / 115 = 2.97 g of H

Thus, 2.97 g of Hydrogen, H is present in 57.010 g of (NH₄)H₂PO₄

Learn more about mass composition:

brainly.com/question/13531044

4 0
3 years ago
A rectangular room has a perimeter of 70m what could be the length of the longest side of the room​
Blizzard [7]

Answer:

34

Explanation:

1+1+34+34 = 2+68=70

if we consider only whole numbers the longest side could be 34

5 0
3 years ago
What is the length of AB with endpoints A(-1,0) and B(4,-9)
lord [1]

Answer:

10.296

Explanation:

From point A to point B, the line goes 5 spaces to the left and 9 spaces down. You can use the Pythagorean theorem and solve for the c value. 5 squared is 25, 9 squared is 81, 25 + 81 = 106. The square root of 106 is approximately 10.296. Hope that helped

6 0
2 years ago
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