3 years ago

Create a four types of two steps each with different operation. Solve them and explain the steps

Mathematics

1 answer:

Luba_88 [7]3 years ago

6 0

Answer:

4 + 5 = 9

9 – 5 = 4

9 – 5 ≠ 5 – 9

9 – 4 = 9 + (–4)

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Factor. 3x(y−4)−2(y−4) Enter your answer in the box.

NISA [10]

Answer: Use the distributive property to multiply 3 by y−4.

3y−12−2(y−4)

Use the distributive property to multiply −2 by y−4.

3y−12−2y+8

Combine 3y and −2y to get y.

y−12+8

Add −12 and 8 to get −4.

Anwser:

y−4

Step-by-step explanation:

Hope this helps!

6 0

3 years ago

After the first term in a sequence, the ratio of each term to the preceding term is r. If the first term is a, what is the third

irinina [24]

Answer:

The 3rd term is

$ar^2$

Step-by-step explanation:

From the given information, the first term of the sequence is

$a_1=a$

The common ratio of the sequence is

$r$

The explicit formula for a geometric sequence is :

$a_n=a_1(r^{n-1})$

To find the third term, we put n=3 to get:

$a_n=a(r^{3-1})$

This simplifies to:

$a_3=ar^2$

7 0

3 years ago

Write an expression to represent susans age in three years when a represents her present age.

Zarrin [17]

Well, since a is Susan’s current age, we would add three to a to get her age in three years
So our expression would be:
a + 3

4 0

4 years ago

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1. Which equation should be used to find the area of the triangle below? *

77julia77 [94]

Answer:

See Explanation

Step-by-step explanation:

Required

Expression for area of triangle

This is calculated using

$Area = \frac{1}{2} * base * height$

Assume that:

$base = 5cm; height = 2cm$

The equation becomes

$Area = \frac{1}{2} * 5* 2$

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3 years ago

Jerimiah records lap times at the track meet on Saturday. He records a time of 85 seconds for Jennifer's lap, but she really com

VMariaS [17]

Answer:

To be honest I'm not sure.

6 0

3 years ago

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