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3 years ago

Which of the following statements is true?

Mathematics

2 answers:

mariarad [96]3 years ago

8 0

Answer:

Sedimentary rocks usually form in visible layers

Step-by-step explanation:

A is wrong because not all igneous rock is formed by pressure

B is wrong because sedimentary rock is usually a surface rock

C is wrong because the rock cycle is sporadic and doesn't always end in igneous rock

D is correct because sedimentary rock is formed from years and years of sediment layering on top of each other

BARSIC [14]3 years ago

3 0

Answer:

I believe it's D

Step-by-step explanation:

Sorry if wrong!

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When Judy worked 4 hours and Ben worked 1 hour, their combined pay was $75. When Judy worked 2 hours and Ben worked 6 hours, the

arsen [322]

Answer:

$15

Step-by-step explanation:

let the hourly rate of pay for Ben = B

let the hourly rate of pay for Judy = J

Judy worked 4 hours and Ben worked 1 hour, their combined pay was $75;

4J + B = 75 ----- i

Judy worked 2 hours and Ben worked 6 hours, their combined pay was $120

2J + 6B = 120 --- ii

Now, we should solve the expression;

Multiply equation ii by 2 and equation i by 1;

4J + B = 75 ----- i x 1 ; 4J + B = 75 -- iii

2J + 6B = 120 --- ii x 2 ; 4J + 12B = 240 ---iv

Now,

equation iv - iii;

11B = 165

B = $15

So, solving for J;

4J + B = 75

4J + 15 = 75

4J = 75 - 15 = 60

J = $15

3 0

3 years ago

Which number line illustrates the problem below? x = -1 - (-2) -3

Alina [70]

The answers to that would be x=-2

5 0

4 years ago

Write a pair of numbers such that the value of the 7 in the first number is 1,000 times the value of the 7 in the second number,

kirill [66]

437,000
400,307
In the second number, the 7 is moved 3 places to the right, and the 3 is moved 2 places to the right.

(The digit 4 is used here simply to make the numbers be the same overall length. It can be changed to any other digit (except 3 or 7) or removed. Digits that are not 3 or 7 can replace any of the zeros.)

8 0

3 years ago

In the given graph, line AB is reflected over the:

melamori03 [73]

Hey there!

The word reflected means when something is basically coping everything that you do. So, for example, when I look in a mirror, the mirror would reflect everything that I would do.

So, from looking at the graph above, as we should <em>remember </em>the $\left[\begin{array}{ccc}\boxed{x-axis}\end{array}\right]$ is the $axis$ that is (horizontal) and the $y-axis$ is the $axis$ that is (vertical).

So, from knowing this information of graphs, we now know that $\left[\begin{array}{ccc}AB\end{array}\right]$ are reflecting over the $(x-axis)$ which is the line that is (horizontal).

Your correct answer would be . . .

$\boxed{\boxed{x-axis \ would \ be \ your \ answer}}$

Hope this helps you!
~Jurgen

5 0

3 years ago

Solve the simultaneous equation x^2-4y^2=9 and x+2y=1

Salsk061 [2.6K]

Answer:

x=5,y=-2

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers