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lina2011 [118]
3 years ago
14

Which algebraic expression represents the phrase "seven more than half of a number"?

Mathematics
1 answer:
Igoryamba3 years ago
3 0

Answer:

i believe it is the first answer.

Step-by-step explanation:

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The scale factor for a model is 5cm= m model: 9.5cm actual : 30.5m
MaRussiya [10]

We are given dimensions of model and actual figure.

model: 9.5cm actual : 30.5m.

We need to find the length of actual shape for the scale factor 5cm.

Let us assume actual length be x m.

Let us set a proportion now.

<h3>5 : x = 9.5 : 30.5</h3>

Let us convert proportion into fractions.

\frac{5}{x}=\frac{9.5}{30.5}

On cross multiplying, we get

9.5x = 5× 30.5

9.5x = 152.5.

On dividing both sides by 9.5, we get

\frac{9.5x}{9.5}=\frac{152.5}{9.5}

x=16.05.

<h3>Therefore, the scale factor for a model is 5cm= 16.05 m.</h3>

6 0
3 years ago
How many degrees is this?
gregori [183]

Looks like it’s about 160°

8 0
3 years ago
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A certain allergen affects approximately 7 people per 10,000 in the United States. Assuming the U.S. population is approximately
valentina_108 [34]
A certain allergen affects approximately 7 people per 10,000 in the United States. Assuming the U.S. population is approximately 324 million people, how many people suffer from this allergen?

A certain allergen affects approximately 7 people per 10,000 in the United States. Assuming the U.S. population is approximately 324 million people, how many people suffer from this allergen?
7 0
3 years ago
The factors for x2 + 5x + 6 are x + 2 and x + 3.
Nookie1986 [14]
It is true that (x+2)(x+3) = x2 +5x + 6
5 0
3 years ago
Multiplier method increase £88 by 14%
Morgarella [4.7K]

Answer:

if you just want 14% of 88

14% of 88 = 12.32, 0.14 * 88

if you want 14% of 88 + 88

114% of 88 = 100.32, 1.14 * 88

Step-by-step explanation:

2% of x = 0.02 * x

20% of x = 0.2 * x

200% of x = 2 * x

6 0
3 years ago
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