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Simora [160]
3 years ago
15

Can someone answer 1-4 please

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
8 0
I dont see a picture... :(
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This is for my mid term exam review but it’s #2 and it goes with the other question I answered
vodomira [7]

Answer:

B. 8 x 10^3

Step-by-step explanation:

1.6 x 10^5 / 0.2 x 10^2

= 160 000 / 20

= 8 000

You can write this as 8 x 10^3

3 0
2 years ago
In a classroom of 33 students, the ratio of boys to girls is 3:8. How many boys are in the class?
Hunter-Best [27]
X=number of boys
y=number of girls.

We can suggest the following system of equations:
x+y=33
x/y=3/8

We solve this system of equations by substitution method.
x/y=3/8       ⇒x=3y/8

(3y/8)+y=33
least common multiple=8
3y+8y=33*8
11y=33*8
y=(33*8)/11
y=3*8
y=24

x+y=33
x+24=33
x=33-24
x=9

number of boys /total number of students=9/33=3/11

There are 9 boys and 24 girls in the class. 

Answer: C: 9. since 3/11 of the students are boys. 

3 0
4 years ago
Read 2 more answers
How can you use angle relationships to find unknown angles?
Hitman42 [59]

Answer:

Steps to Solving for Unknown Angles.

Identify the angle relationship(s).

Set up an equation that will yield the unknown value.

Solve the equation for the unknown value.

Substitute the answer to determine the angle(s).

Check and verify your answer by measuring the angle with a protractor.

Step-by-step explanation:

hope this helps

stay safe :))

brainliest is appreciated :))))

5 0
4 years ago
What is the slope of the line y=1/6x+3/2
const2013 [10]

Answer:

1/6

Step-by-step explanation:

When the y is isolated on one side and is not multiplied by anything (other than one), the slope is the value before the x. In this case, it's 1/6. And in if y is perfectly isolated, then the y-intercept is the value after the x, which is positive 3/2 in this case.

5 0
3 years ago
HELP ME PLEASE !!!!!!!!
SOVA2 [1]

Answer:

the answer is seven

Step-by-step explanation:

seven

4 0
3 years ago
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