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3 years ago

-9 + 3x < x + 3 how do I solve this?

Mathematics

1 answer:

Ivahew [28]3 years ago

5 0

Answer:

Step-by-step explanation:

-9+3x<x+3

3x-x<3+9

2x<12

x<12/2

<u>x<6</u>

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This year, Chad paid 2300 for season tickets to his favorite baseball team, which is 25% more expensive than last year. What was

kramer

Answer:

the price for season tickets to his favorite baseball team last year is 1840

Step-by-step explanation:

Let x = the price for season tickets to his favorite baseball team last year

This year, Chad paid 2300 for season tickets to his favorite baseball team, which is 25% more expensive than last year. This means that the price of this year's season ticket is equal to the sum of ( the price of last year's season ticket + 25% of the price of last year's season ticket.).

Price of this year's ticket is 2300

This is expressed as

2300 = x + 25 % of x

2300 = x + 25/100 × x

2300 = x + 0.25 × x = x + 0.25x

2300 = 1.25x

1.25x = 2300

x = 2300/1.25

x = 1840

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4 years ago

At a doctor appointment ,a baby weights 10 pounds .How many ounces did the baby weight?

harina [27]

Hello.

At the initial checkup, the baby weighed <em>160 oz. </em>At the next checkup, the baby weighed <em>180 oz. The baby increased 20 oz in weight.</em>

4 0

3 years ago

Vitamin D is needed for the body to use calcium. An experiment is designed the effects of calcium and vitamin D supplements on t

uysha [10]

Answer:

(a) The factors are calcium dose, and Vitamin D dose. There are 9 treatments (each calcium/vitamin D combination).

(b) Assign 20 students to each group, with 10 of each gender. The complete diagram would have a total of 18 branches.

SUBJECTS:

Men---> Random Assignment---> Group 1---> Treatment 1---> measure TBBMC

Men---> Random Assignment---> Group 2---> Treatment 2---> measure TBBMC

Men---> Random Assignment---> Group 3---> Treatment 3---> measure TBBMC

Men---> Random Assignment---> Group 4---> Treatment 4---> measure TBBMC

Men---> Random Assignment---> Group 5---> Treatment 5---> measure TBBMC

Men---> Random Assignment---> Group 6---> Treatment 6---> measure TBBMC

Men---> Random Assignment---> Group 7---> Treatment 7---> measure TBBMC

Men---> Random Assignment---> Group 8---> Treatment 8---> measure TBBMC

Men---> Random Assignment---> Group 9---> Treatment 9---> measure TBBMC

Women---> Random Assignment---> Group 1---> Treatment 1---> measure TBBMC

Women---> Random Assignment---> Group 2---> Treatment 2---> measure TBBMC

Women---> Random Assignment---> Group 3---> Treatment 3---> measure TBBMC

Women---> Random Assignment---> Group 4---> Treatment 4---> measure TBBMC

Women---> Random Assignment---> Group 5---> Treatment 5---> measure TBBMC

Women---> Random Assignment---> Group 6---> Treatment 6---> measure TBBMC

Women---> Random Assignment---> Group 7---> Treatment 7---> measure TBBMC

Women---> Random Assignment---> Group 8---> Treatment 8---> measure TBBMC

Women---> Random Assignment---> Group 9---> Treatment 9---> measure TBBMC

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3 0

3 years ago

Please help me solve this thanks

WINSTONCH [101]

Answer:

Step-by-step explanation:

let r represent rate and d distance.

Given that r varies directly as d² then the equation relating them is

r = kd² ← k is the constant of variation

To find k use the condition r = 4 when d = 15, then

4 = k × 15² = 225k ( divide both sides by 225 )

k = $\frac{4}{225}$

r = $\frac{4}{225}$ d² ← equation of variation

When r = 9, then

9 = $\frac{4}{225}$ d² ( multiply both sides by 225 )

2025 = 4d² ( divide both sides by 4 )

506.25 = d² ( take the square root of both sides )

d = $\sqrt{506.25}$ = 22.5 = 22 $\frac{1}{2}$ → A

8 0

3 years ago

Write the equation of a line with a slope of −1 and a y-intercept of −6. (2 points)

ANTONII [103]

This would be y=-x-6. The slope is the number before x and the y intercept is the number coming after. This shows that it must be y=-1x-6

7 0

3 years ago

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