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Vesna [10]
2 years ago
15

Please help!!!!!!!!!!

Mathematics
1 answer:
MatroZZZ [7]2 years ago
7 0

Step-by-step explanation:

Left side: 18cm

Under that: 5cm

5cm again

Perimeter = 76

Because: 20 + 18 + 18 + 5 +5 +5 +5 = 76

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euben's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Reuben $5.70 per pound, and type
Kobotan [32]

Answer:

The quantity of type A coffee is 73 pounds

The quantity of type B coffee is 94 pounds .

Step-by-step explanation:

Given as :

The price of Type A coffee costs = $ 5.70 per pound

The price of Type B coffee costs = $ 4.30 per pound

The total quantity of coffee does Reuben purchases = 167 pounds

The total cost of the coffee for 167 pounds = $ 820.30

Let The quantity for type A coffee = a pounds

And The quantity of type B coffee = b pounds

Now, <u>According to question</u>

a + b = 167 pounds      And

$ 5.70 × a + $ 4.30 × b = $ 820.30

Now solving equations

5.70 × ( a + b ) = 5.70 × 167

or, 5.70 a + 5.70 b = 951.9

Now ,

( 5.70 a + 5.70 b ) - (   5.70  a +  4.30  b ) = 951.9 - 820.30

or, ( 5.70 a - 5.70 a ) + ( 5.70 b - 4.30 b ) = 131.6

Or, 0 + 1.4 b = 131.6

∴ b = \frac{131.6}{1.4}

I.e b = 94 pounds

Put the value of b to get a value

So, a = 167 pounds - b

Or, a = 167 - 94

∴   a = 73 pounds

Hence The quantity of type A coffee is 73 pounds

And The quantity of type B coffee is 94 pounds   .  Answer

4 0
3 years ago
The equations of three lines are given below.
Anna11 [10]

Answer:

Step-by-step explanation:

Line 1

y= 3/2x +7/2  m = 3/2

Line 2

4x-6y+2 = 0  m = 2/3

Line 3

y = 3/2x - 4   m = 3/2

Line 1 and Line 2 = neither

Line 1 and Line 3 = parallel

Line 2 and Line 3 = neither

4 0
3 years ago
Write the following decimal number in its equivalent fraction form. Show all work for full credit.
svetoff [14.1K]

Answer:

8/9

dont want full credit just want points

6 0
3 years ago
Read 2 more answers
Two friends divide 4/4 of a cake equally. What's the fraction of the divided cake?
Neporo4naja [7]
The cake is divided into 4 equal parts,
\frac{4}{4}=4( \frac{1}{4})
So each divided part of the cake is a fraction of \frac{1}{4}
Hope this helps!
7 0
3 years ago
Read 2 more answers
Find the 40th term 360,353,346,...
Mademuasel [1]

Answer:

87

Step-by-step explanation:

<u>First method</u>:

- Open Excel and enter 360, 353 and 346 in column A (below each other)

- Select all 3 cells and drag the bottom-right square down to row 40.

<u>Second method</u>:

- Use the equation t(n) = 360-7(n-1)

- Solve for n=40

- t(40) = 360 - 7*39 = 87

5 0
2 years ago
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