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3 years ago

Pleaseeee helpppp meee

Mathematics

2 answers:

Doss [256]3 years ago

7 0

Answer:

try searching it

Step-by-step explanation:

Elena L [17]3 years ago

5 0

Answer: 14:16 describes Rita’s class in terms of number of girls to number of boys.

14:30 describes her class in terms of number of girls to total number of students

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HELP ASAP !! i’ll give you the brainliest answer as long it’s correct plsss helpp

stepan [7]

Answer:

its b, and why does everyone want brainllest

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

F(x)=3x+2 and g(x)=-2x-4, find h(x) = f(x)-g(x)

elena-14-01-66 [18.8K]

Answer:

5x-2

Step-by-step explanation:

Since f(x)-g(x) you take 3x+2 and subtract -2x-4.

3x+2+2x-4

5x-2

6 0

3 years ago

Triangle A B C is shown. Angle B C A is a right angle. The length of hypotenuse B A is 9.8 inches, the length of C B is 6.3 inch

german

Answer:

$\angle B=\cos^{-1}\left(\dfrac{6.3}{9.8}\right)\\ \\\angle B=\sin^{-1}\left(\dfrac{7.5}{9.8}\right)$

Step-by-step explanation:

Consider right triangle ABC with right angle C.

In this triangle,

BA = 9.8 in
CB = 6.3 in
CA = 7.5 in

Write trigonometric functions:

$\cos \angle B=\dfrac{BC}{AB}=\dfrac{6.3}{9.8}\\ \\\sin \angle B=\dfrac{AC}{AB}=\dfrac{7.5}{9.8}$

Hence,

$\angle B=\cos^{-1}\left(\dfrac{6.3}{9.8}\right)\\ \\\angle B=\sin^{-1}\left(\dfrac{7.5}{9.8}\right)$

7 0

3 years ago

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Find the value of x in the given figure using parallel lines

pantera1 [17]

Answer:

x = 18 degrees

Step-by-step explanation:

because lines n and m are parallel, 3x and 126 are same side interior angles. This means that when added up they equal 180, so make an equation as so:

3x + 126 = 180

Solve for it and x will equal 18.

6 0

4 years ago

How manyy solutions does this system of equations have? explain how you know y + 2x = 5 y = 3x + 5

tigry1 [53]

Answer:

(-5, -10)

Step-by-step explanation:

y+2x = 5y

==>2x=4y

x=2y

5y=3(2y)+5

==>

y = -5

x = -10

==>

one solution

5 0

3 years ago