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andrezito [222]
2 years ago
8

Kathy has $2.10 in her pocket. She only has two different types of coins. She has the same number of each coin. What kinds of co

ins does she have and how many of each does she have?​
Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
5 0

Answer:

6 quarters and 6 dimes

Step-by-step explanation:

since there is 6 quarters it would be 6x$.25 which is $1.50, and each dime is worth 10 cents so 6x$.10 is $.60, and $1.50+$.60=$2.10

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The circle graph shows the percent of the 300 votes each candidate received in the
adell [148]

Answer: 126.

Here is an example of my work, just add your prefered numbers and boom, 126.

Also, mine was 200 instead of 300 and I got 84. So just plug in your number and boom.

6 0
3 years ago
if you are asked to solve a system of equations in which there is no linear equation to start with, you can sometimes begin by i
DENIUS [597]

<u>Answer:</u>

The correct answer option is: True.

<u>Step-by-step explanation:</u>

Its true that if there is no linear equation to start with, you can isolate and substitute a variable that is squared in both the equation.

For example, for the given non linear equation, start by dividing both sides by coefficient of the variable.

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5 0
3 years ago
Which of the following are true for the number 8.5? Select all that apply
OLga [1]
The answer should be A and D
7 0
2 years ago
Identify all factors of the expression 12x^2-14x-6
Evgen [1.6K]

Let's solve this by using the quadratic formula:

\frac{-b+-\sqrt{b^2-4ac} }{2a}


Note that we only use the coefficients so a=12, b=-14, and c=-6.

Plug values in the quadratic equation:

\frac{ -  ( - 14)± \sqrt{ {( - 14)}^{2} - 4(12)( - 6) } }{2(12)}

And so by evaluating those values we obtain:

\frac{14+-\sqrt{484} }{24}=\frac{14+-22}{24}  \\\\

Now we have two answers which are our factors one where we add another where we subtract and so:

First factor:

\frac{14+22}{24}=\frac{36}{24}=\frac{3}{2}


Second Factor:

\frac{14-22}{24}=\frac{-8}{24}=-\frac{1}{3}


And so your factors are

\frac{3}{2},-\frac{1}{3}

meaning that those are your roots/x-intercepts.


6 0
3 years ago
How many quarts are in a gallon? Thanks !
bonufazy [111]
4 would be your answer hope I helped :)
6 0
3 years ago
Read 2 more answers
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