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3 years ago

Of the following options, what could be a possible first step in solving the equation 8x + 3 = 2x - 15

Mathematics

1 answer:

Basile [38]3 years ago

6 0

The first step can be subtracting 2x from both sides leaving the equation with 6x + 3 = -15

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James ran 4 laps and walked 2 laps When running his average speed was 2.5 minutes per lap When walking his average speed was 4.9

lutik1710 [3]

Answer:

19.8 minutes

Step-by-step explanation:

Total time the 4 laps was completed = 4 x 2.5 = 10 minutes

Total time the 2 laps was completed = 2 x 4.9 = 9.8 minutes

total time = 10 minutes + 9.8 minutes = 19.8 minutes

5 0

2 years ago

Question 4 of 5

9966 [12]

Answer: The graph crosses the x-axis at x = 2.

Step-by-step explanation:

The root has a multiplicity of 3, meaning that it crosses the x axis at x=2.

3 0

2 years ago

Regular pyramid B= P= H= l= LA= SA= V=

devlian [24]

Answer:

B (Base surface area) = 16 $m^{2}$

P (Perimeter of the base) = 16 m

H (Height) = 6 m

L (Not sure what L means. I assume it's the slant height??) = 6.32 m

LA (I assume lateral surface area) = $50.59 m^{2}$

SA (I assume total surface area) = $66.59 m^{2}$

V (volume) = $32 m^{3}$

Step-by-step explanation:

Sorry if anything is wrong. It would be more helpful to put the names, instead of acronyms.

7 0

3 years ago

Solve this for 10 points: 2x-3y+4y+2x+9y

Mekhanik [1.2K]

Answer:

the answer . is 2y

Step-by-step explanation:

combine like terms

4 0

3 years ago

Read 2 more answers

Can someone please help im struggling

NNADVOKAT [17]

Answer:

81 units³

Step-by-step explanation:

V = Length x Widht x Height

= 9 x 3 x 3

= 81 units³

5 0

3 years ago