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HACTEHA [7]
3 years ago
13

Bro I need help plzzz

Mathematics
1 answer:
Allushta [10]3 years ago
6 0
48.4 hope you get it correct!
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Mary's math certificate is 10 inches tall and 13 inches wide. Mary wants to put the certificate
wlad13 [49]

Answer:

$219.70

Step-by-step explanation:

First, you need to find the area of the certificate, which you can do by multiplying 10*13, since it is a rectangle. 10*13 is 130. Then, multiply 130 by the price per inch, which is $1.69. 130*1.69=219.7, which in financial terms would amount to $219.70.

8 0
3 years ago
(NO BOTS OR LINKS)
nlexa [21]

Answer:

D) division

Step-by-step explanation:

we know that  a ratio is a quantitative relation between two numbers

so let's say

the ratio of boys to girls is 3:4

we know that for every 3 boys there are 4 girls

therefore it is a division operation

7 0
2 years ago
Read 2 more answers
Monica receives a flat rate of $25 and an hourly rate of $15 when she works. Which of the following equations represents the tot
shutvik [7]

Answer

d=25+15x I think

                   

5 0
3 years ago
Line AC is tangent to circle O at point C<br> What is the measure of OAC?
Nuetrik [128]
AC is a tangent so by definition, it touches the circle at exactly one point (point C) and forms a right angle at the tangency point. So angle ACO is 90 degrees

The remaining angle OAC must be 45 degrees because we need to have all three angles add to 180
45+45+90 = 90+90 = 180

Alternatively you can solve algebraically like so
(angle OAC) + (angle OCA) + (angle COA) = 180
(angle OAC) + (90 degrees) + (45 degrees) = 180
(angle OAC) + 90+45 = 180
(angle OAC) + 135 = 180
(angle OAC) + 135 - 135 = 180 - 135
angle OAC = 45 degrees

Side Note: Triangle OCA is an isosceles right triangle. It is of the template 45-45-90. 
7 0
3 years ago
Decide if the following is a true or false statement - explain how you know (Explain in words please).
Westkost [7]

Answer:

it's negative and positive and negative + positive is -ive or +ive but in this case they are in equal distance from the number line which makes the answer zero

7 0
3 years ago
Read 2 more answers
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