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mart [117]
3 years ago
11

Uually Cxpressions

Mathematics
1 answer:
Oduvanchick [21]3 years ago
5 0
4(x+1) is the only one equal to 0
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In right triangle abc /_B is right angle and m/_c=30 if Ac=10 what is AB
Ivanshal [37]

Answer:

plz mark brainliest..

Step-by-step explanation:

AC is the hypotenuse = 10

AB is side opposite to <C

<C = 30°, <B = 90°

by 30°-60°-90° theorem

side opposite to 30° is equal to half of hypotenuse

therefore,

AB = 1/2 × AC

AB = 1/2 × 10

AB = 5

therefore number 5 is answer

hope it will help you

7 0
3 years ago
it costs $4.65 for a chicken sandwich, $1.85 for milk and 45c for a lollipop in a cafe. How ,uch change from $15 will i get if i
FinnZ [79.3K]
$1.10 will be your change!
5 0
3 years ago
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In a mixture of​ concrete, there are fourfour lb of cement mix for each pound of gravel. If the mixture contains a total of 2952
Anton [14]

Answer: there are 59059 lbs of gravel.

Step-by-step explanation:

In a mixture of​ concrete, there are four lbs of cement mix for each pound of gravel. This means that eight lbs of cement would be mixed for 2 pounds of gravel and 12 lbs of cement would be mixed for 3 pounds of gravel and 12. Therefore, the constant ratio of cement to gravel is 4:1

The total ratio is 4 + 1 = 5

If the mixture contains a total of 295295 lb of these two​ ingredients, then the number of pounds of gravel that are​ there is

1/5 × 295295 = 59059 lbs

3 0
3 years ago
Select the decimal that is equivalent to<br> 57<br> 220
Umnica [9.8K]

Answer:

2.5909090909

Step-by-step explanation:

4 0
3 years ago
Please can someone help me
Fofino [41]

Answer:

a. 25%

b. 55%

c. 35%

Hope it helps you and pls mark as brainliest : )

4 0
3 years ago
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