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LenKa [72]
3 years ago
13

Wrist bands are $1.25 each. Write a direct proportion equation to show the total cost (c) for any number of bands (b)

Mathematics
1 answer:
qwelly [4]3 years ago
7 0

Answer:

c=1.25b

Step-by-step explanation:

If we know that each band costs $1.25, then we know that 2 bands are $2.50, 3 bands are $3.75 etc. The equation above simply states that each band is $1.25, so $1.25 multiplied by the number of bands gives us a total cost. This follows the formula y=kx, for a direct proportion equation. Hope this helped :)

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Nina’s total trip to and from work is 14 miles. If she works 243 days this year, how many miles will she drive to and from work?
beks73 [17]

Answer:

3,402

Step-by-step explanation:

Step 1:

243 × 14

Answer:

3,402

Hope This Helps :)

4 0
3 years ago
If you need 20 feet of tile and each tile measures a half a foot how many tiles do you need to get?
Brilliant_brown [7]
You need to get 40 tiles

6 0
3 years ago
Read 2 more answers
Graph the line that passes through the given point and has the given slope m.
Firdavs [7]

Answer:

The line equation is:

  • y=-\frac{1}{4}x+9

Step-by-step explanation:

Given

  • The point = (4, 8)
  • m = -1/4

We know that point-slope form of the line equation is

y-y_1=m\left(x-x_1\right)

where

  • m = slope
  • (x₁, y₁) = point

substituting the values m = -1/4 and the point (4, 8)

y-y_1=m\left(x-x_1\right)

y-8=\frac{-1}{4}\left(x-4\right)

Add 8 to both sides

y-8+8=\frac{-1}{4}\left(x-4\right)+8

y=-\frac{1}{4}x+9

Thus, the line equation is:

  • y=-\frac{1}{4}x+9
5 0
3 years ago
A student scored 84 and 87 on her first two quizzes.Write and solve a compound inequality to find the possible values for a thir
Varvara68 [4.7K]
Mean of data = sum of values ÷ number of data

We have three values; 84, 87, and x

Sum of values = 84+87+x = 171+x

We want the value of x to give mean between 85 and 90 inclusive

85 \leq  \frac{171+x}{3} \leq 90
85*3 \leq 171+x \leq 90*3
255 \leq 171+x \leq 270
255-171 \leq x \leq 270-171
84 \leq x \leq 99

Hence, the value of x is between 84 and 99 inclusive

8 0
3 years ago
Read 2 more answers
Lydia invested $5900 in an account paying an interest rate of 2 5/8% compounded monthly. Jace invested $5900 in an account payin
Alexus [3.1K]

Answer:

$875.18

Step-by-step explanation:

Given data

Lydia

P=$5900

Interest rate=2 5/8% >>21/8= 2.625%

compounded monthly.

First, convert R percent to r a decimal

r = R/100

r = 2.625%/100

r = 0.02625 per year,

Then, solve our equation for A

A = P(1 + r/n)^nt

A = 5,900.00(1 + 0.0021875/12)^(12)(19)

A = $ 9,710.01

Jace

P=$5900

Interest rate= 2 1/8% >>> 17/8>> 2.125%

Time= 19 years

First, convert R percent to r a decimal

r = R/100

r = 2.125%/100

r = 0.02125 per year,

Then, solve our equation for A

A = Pert

A = 5,900.00(2.71828)^(0.02125)(19)

A = $ 8,834.83

Hence the difference in their account balance is

= 9,710.01- 8,834.83

=$875.18

Therefore Lydia has $875.18 more money than Jace

4 0
3 years ago
Read 2 more answers
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