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Paha777 [63]
2 years ago
12

Helpp

Mathematics
1 answer:
Alborosie2 years ago
7 0
17 that’s the answer I did this one before
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Emily has 8 coins in her purse totaling 50 cents. The only kinds of coins she has are nickels and dimes. How many nickels does E
makvit [3.9K]
5x + 10y = 50
x + y = 8

x = 8 - y
5*(8-y) + 10y = 50
40 - 5y + 10y = 50
10y - 5y = 50 - 40
5y = 10
y = 2

x + y = 8
x + 2 = 8
x = 8 - 2
x = 6

She has 6 nickels and 2 dimes
3 0
3 years ago
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Calling all mathemeticians
MAVERICK [17]
Wouldn’t be a,or d. I would honestly say B..
4 0
3 years ago
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What is the end behavior? 10 points!!
Colt1911 [192]

Given:

The given function is:

f_1(x)=-3\cdot 2^{x-5}-4

The graph of the function is given.

To find:

The end behavior of the given function.

Solution:

We have,

f_1(x)=-3\cdot 2^{x-5}-4

From the given graph it is clear that the function approaches to -4 at x approaches negative infinite and the function approaches to negative infinite at x approaches infinite.

f_1(x)\to -4 as x\to -\infty

f_1(x)\to -\infty as x\to \infty

Therefore, the end behaviors of the given function are:

f_1(x)\to -4 as x\to -\infty

f_1(x)\to -\infty as x\to \infty

4 0
3 years ago
I need help for question 17 in my big ideas math homework, it says "Use the figure to find the measures of the numbered angles."
Dafna1 [17]

Answer:

can you show a pic tell me in the comments

Step-by-step explanation:

7 0
2 years ago
I need to know the answer to number one
Law Incorporation [45]
Supplementary angles are two angles whose measures sum to a 180 degrees and complementary are the sum have to add up to 90 degrees.So 180÷2=90;90÷2=45;180÷6=30 and 90÷6=15.Altough the answer is A.
5 0
3 years ago
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