PLZZ HELP ME I NEED THIS ANSWER ASAP I NEED TO GO SOMEHWERE AND I HAVE TO FINISH MY TEST! (:

Mathematics

1 answer:

balu736 [363]3 years ago

6 0

Answer:

b. gravity acting on the edges of plates and friction between the plate and the asthenosphere.

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Which type of graph would be best used for showing the percentage of students in each grade level at a middle school

stepladder [879]

Answer:

A pie graph would be a good graph to use

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3 years ago

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SVETLANKA909090 [29]

Answer:

$\frac{-4}{5}$

Step-by-step explanation:

$\frac{-4}{15}* 3 = -4/5$

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3 years ago

You need to solve a system of equations. You decide to use the elimination method. Which of these is not allowed?

Serggg [28]

Answer:

Step-by-step explanation:

The Elimination Method is the method for solving a pair of linear equations which reduces one equation to one that has only a single variable.

If the coefficients of one variable are opposites, you add the equations to eliminate a variable, and then solve.
If the coefficients are not opposites, then we multiply one or both equations by a number to create opposite coefficients, and then add the equations to eliminate a variable and solve.

When multoplying the equation by a coefficient, we multiply both sides of the equation (multiplying both sides of the equation by some nonzero number does not change the solution).

So, option B is not allowed (it is not allowed to multiply only one part of equation)

8 0

4 years ago

A biology test is worth 100 points and has 36 questions.

Ad libitum [116K]

Answer:

(a) 7 essays and 29 multiple questions

(b) Your friend is incorrect

Step-by-step explanation:

Represent multiple choice with M and essay with E.

So:

$M + E= 36$ --- Number of questions