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coldgirl [10]
3 years ago
13

#26 7s=4 please help

Mathematics
2 answers:
const2013 [10]3 years ago
7 0
7s = 4
/7.    /7 


s= 4/7

thats the equation right?
Airida [17]3 years ago
6 0
You divide bathe 7 in both sides and you get s=7/4
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Maryann's friends loved her bulletin board , and 4 of them asked her to make one for their homes. She offered to make each of he
bulgar [2K]

Complete Question:

To create a bulletin board, Maryann is planning to stretch fabric from burlap sacks over cardstock. She collects 6 kg of burlap sacks. The area density of the burlap is 0.4 kg/m².

Maryann's friends loved her bulletin board , and 4 of them asked her to make one for their homes. She offered to make each of her friends a replica of her bulletin board that measures 2 meters by 3 meters . How many kilograms of burlap should Maryann collect to complete the bulletin boards for her friends?

Answer:

To complete the bulletin boards for her friends, Maryanne should collect 6 kg of burlap more

Step-by-step explanation:

Mass of burlap sacks that Maryann collects = 6 kg

Area density of burlap = 0.4 kg/m²

Area Density = Mass / Area........(1)

The Area of bulletin board that can be made with the 6 kg of burlap sand can be calculated by using equation (1)

0.4 = 6 / Area

Area = 6/0.4

Area of bulletin board that can be made from 6 kg= 15 m² of bulletin board  

The area of bulletin board that Maryann made for herself = 2 * 3 = 6m²

To make similar bulletin boards for her four friends, the total area of bulletin board made for her 4 friends = 6 * 4 = 24m²

To calculate the mass of burlap required to make a 24m² bulletin board, use equation (1)

0.4 = Mass / 24

Mass = 0.4 * 24

Mass = 9.6 kg

The mass of burlap used to make Maryann's bulletin board alone:

0.4 = Mass/6

Mass = 2.4 kg

Out of the 6kg that she got, she has used 2.4 kg for herself

The remaining mass of burlap = 6 - 2.4 = 3.6 kg

Therefore, to complete the bulletin board for her friend, she should collect (9.6 - 3.6) = 6 kg of bulletin more

5 0
3 years ago
Michael bought 3 12 gallons of white paint at $17.50 each gallon and 134 gallons of blue paint at $19.00 each gallon. What was h
lutik1710 [3]

312 gallons of white paint, $17.50 each gallon

134 gallons of blue paint, $19 for each gallon

312 x 17.50 = $5,460

134 x 19 = $2,546

5460 + 2546 = $8,006

8 0
3 years ago
Mr and mrs jonah went for a picnic. the couples have five sons and each son has seven daughters, who has three babies each. in t
attashe74 [19]
Thank you for posting your question here brainly. There were 147 people  went for the picnic. Below is the solution:

Couple: 2 (Mr and Mrs Jonah) 
<span>Sons : 5 </span>
<span>daughters : 5x7=35 </span>
<span>babies each: 35x3=105 </span>
<span>Total no of people : 147
</span>
I hope it helps. 
8 0
3 years ago
Consider the function f(x) = (x + 2)2 + 1. Which of the following functions shifts the graph of f(x) to the right three units?
lakkis [162]

Answer:

g(x) = (x – 1)2 + 1

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
The circle is 5.1 cm what is the diameter and radius of the circle
Andrews [41]

Answer:

Step-by-step explanation:

C=2πr

5.1cm=2×3.14×r

5.1cm=6.28r

r=0.8cm

d=0.8cm×2

d=1.6cm

4 0
3 years ago
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