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Hunter-Best [27]
3 years ago
14

Solve using elimination -3x+3y=21 -x-5y=-17

Mathematics
1 answer:
Alenkasestr [34]3 years ago
8 0

Answer:

(2,6)

Step-by-step explanation:

Google

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The equation y=36x represents the relationship between x the number of yards and y the number of inches.
scoundrel [369]

Answer:

(2 , 72) and (5 , 180)

Step-by-step explanation:

when x = 2 , y = 36× 2 = 72 (2,72)

when x = 4 , y = 36×4 = 180 (4,180)

8 0
3 years ago
A school choir needs to make T Shirts for its 75 members and has set aside some money in their budget to pay for them. The membe
aleksandr82 [10.1K]

Answer:

<h2><em>D = 3(75) + 30C</em></h2>

Step-by-step explanation:

If a school choir needs to make T Shirts for its 75 members and the printing company charges $3 per shirt, the total amount paid for shirts without coloured printing will be $3 * 75 = 3(75) ... 1

If the printing company charges $50 fee for each color to be printed on shirts, then the total number of colours on the short will cost $30C.... 2

where C is the total amount of colours on all the shirts.

The equation that will represents the relationship between the number of T-shirts orders, the number of colors on shirts and the total cost of the order will be gotten by taking the sum of equation 1 and 2.

<em>The equation needed will be 3(75) + 30C where C is the total amount of colours on all the shirts ordered.</em>

<em></em>

5 0
3 years ago
Records kept for a period of 30 weeks by adietician at a cafeteria show the followingweekly consumption of milk ( in gallons).20
malfutka [58]

The average number of the gallons of milk consumed per week can be calculated below

number of weeks = 30

\begin{gathered} average\text{ consume=}\frac{200+205+210+215+220+225+230+235+240}{30} \\  \\ \text{average consume per we}ek\text{=}\frac{1980}{30}=66\text{ gallons per w}eek \end{gathered}

6 0
2 years ago
Choose all of the numbers that make the statement true.
Katena32 [7]

Answer:

The answer is C and D✔✔

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Jenny invests $2,000 at an interest rate of 5%. The amount of money, ma, in Jenny's account after t years can be
Margaret [11]

After t years, the expression that can be used to represent the money in Jenny account is  Mp=2000(1.05)^t+(1.05)^4

<h3 /><h3>Compound interest Computation</h3>

Given Data

  • Principal  P = $2000
  • Rate r = 5%
  • Time t = 4 years

A = P + I where

P (principal) = $2,000.00

I (interest) = $431.01

Calculation Steps:

First, convert R as a percent to r as a decimal

r = R/100

r = 5/100

r = 0.05 rate per year,

Then solve the equation for A

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

A = 2,000.00(1 + 0.05/1)(1)(4)

A = 2,000.00(1 + 0.05)(4)

A = $2,431.01

Summary:

The total amount accrued, principal plus interest, with compound interest on a principal of $2,000.00 at a rate of 5% per year compounded 1 times per year over 4 years is $2,431.01.

Learn more about compound interest here:

brainly.com/question/24924853

7 0
3 years ago
Read 2 more answers
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