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sdas [7]
4 years ago
15

Match the following.

Mathematics
1 answer:
WITCHER [35]4 years ago
7 0
Migrate = to move from one place to another by people or animalsGlacier = large body of iceExtinct = no longer livingNomads = people who wander from place to place with no fixed homesIndigenous = Native; originating in the region or country where foundBering Strait = body of water between Russia and AlaskaArtifact = tools or weapons made by people in the past
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Solve the system. 9=4x-2y 2x+6=y
Digiron [165]

Step-by-step explanation:

4x-2y = 9 ...1

2x-y = -6 ...2

if ...2 × 2

4x-2y = -12

9 is not equal to -12

4 0
2 years ago
HELP PLEASE! Im struggling
kondaur [170]

Answer:

c. \dfrac{2}{3}

Step-by-step explanation:

Let the common ratio be r.

a_2 = \dfrac{2}{5}

a_3 = \dfrac{2}{5}r

a_4 = \dfrac{2}{5}r^2

a_5 = \dfrac{2}{5}r^3

We are told that a_5 = \dfrac{16}{135}.

\dfrac{2}{5}r^3 = \dfrac{16}{135}

\dfrac{5}{2} \times \dfrac{2}{5}r^3 = \dfrac{5}{2} \times \dfrac{16}{135}

r^3 = \dfrac{8}{27}

r = \sqrt[3]{\dfrac{8}{27}}

r = \dfrac{2}{3}

Answer: c. \dfrac{2}{3}

6 0
3 years ago
30 children are going on a school trip
Kruka [31]
30 × 5 = 150

150 - 110 = 40

40 ÷ 2 = 20

So 20 kids brought their own lunch

Hope this helped. Have a great day!

8 0
4 years ago
Describe how you would graph the inequality x is less than or equal to 8
Free_Kalibri [48]

Answer:

Step-by-step explanation: the inequality itself would be like this

8<x (there should be a line under the “<“ i just can’t make it) then you want to draw a vertical line on the x value 8 and shade to the right of the line.

3 0
3 years ago
Read 2 more answers
1.5r-3r+8r+2.5r=<br> please show me what the equation is in simplest form thanks
sladkih [1.3K]

Answer:

12.5r

Step-by-step explanation:

You just add all the numbers together and then add the r at the end it’s pretty easy when you know that

7 0
4 years ago
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