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Masja [62]
2 years ago
6

Deloise has $1.20 in pennies and nickels in a jar on her desk. The number of pennies is three times the number of nickels. How m

any coins of each type does she have?
Mathematics
1 answer:
irga5000 [103]2 years ago
7 0

Answer: 45 Pennies and 15 Nickels


Step-by-step explanation:

0.05  x 15 = 0.75

0.01 x 45 = 0.45


0.45 + 0.75 = 1.20

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Do the phrases 6 less a number y and 6 less than a number y mean the same thing? Explain. A. No, they do not both mean the same
Yuri [45]

Answer:

B. Yes, they both mean the same thing. They can also both be represented by the expression y - 6.

Step-by-step explanation:

Given

Phrase 1: 6 less a number y

Phrase 2: 6 less than a number y

<em>Mathematically,</em>

Phrase 1 can be represented as follows;

y - 6

<em>Mathematically,</em>

Phrase 2 can be represented as follows;

y - 6

<em>Since the representation  of both phrases are the same, then option B answers the question.</em>

<em></em>

4 0
2 years ago
a model of an apartment is shown 1\4 in. represents 3 feet in the actual apartment. Find the actual area of the master bedroom
Hatshy [7]

Answer:12 feet by 9 feet


Step-by-step explanation:

1/4 = 3 feet, so every 1/4 of an inch there is three feet, e.g. 3/4 inches of that scale is 9 feet, 1 1/2 inches would be 18 feet, make sense?

8 0
3 years ago
Use a graphing calculator to sketch the graph of the quadratic equation and then give the coordinates for the x-intercepts (if t
Nataly [62]

Answer:

Option D.

Step-by-step explanation:

The given quadratic equation is

y=x^2+7x+10

We need to draw the graph of given equation by using graphing calculator as shown below.

From the graph it is clear that the parabola intersect the x-axis at points (-2,0) and (-5,0). So, the x-intercepts are (-2,0) and (-5,0).

Therefore, the correct option is D.

3 0
3 years ago
Clard graphed her reading fluenoy
Digiron [165]

Answer:

100

Step-by-step explanation:

To find mean/average you add all of them together, then divide by however number there are.

So

99+88+97+107+100+109 = 600/6 = 100

3 0
2 years ago
I need help it's really hard<br>Properties of exponents
Agata [3.3K]

\bf 12^x\times 12^4=12^8\implies \stackrel{\textit{if the base is the same, so are the exponents}}{12^{x+4}=12^8} \\\\\\ x+4=8\implies x=4

3 0
3 years ago
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