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HACTEHA [7]
3 years ago
7

Solve the simultaneous equations by substitution 8y−3x=23 3x=2y+1

Mathematics
1 answer:
Oxana [17]3 years ago
5 0

Answer:

I love algebra anyways

The ans is in the picture with the  steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

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Which expression does the graphic represent? 8 positive tiles. 1 tile is crossed out. 7 minus 1 7 minus (negative 1) 8 minus 1 8
Tanzania [10]

Answer:

7-(-1)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
А support wire 12 yards long is attached to the top of a utility pole 10
stira [4]

Answer:

6.6 yd

Step-by-step explanation:

a^{2}+b^{2}=c^{2}

10^{2}+b^{2}=12^{2}        Substitute a= 10 and c=12

100+b^{2}=144      Evaluate the Powers

b^{2}=44               Subtract 100 on both sides.

b=\sqrt{44}             Square root both sides b>0 so you dont need ⊥

b=6.6              Use a calculator to evaluate.

6 0
3 years ago
A 4-cup carton of frozen yogurt costs $3.64. What is the price per pint?
Musya8 [376]

Answer:

$0.91.

91 cents.

Step-by-step explanation:

have a good day!

7 0
3 years ago
A rectangular bathroom floor is covered with square tiles that are 1 1/2 feet by 1 1/2 feet. The length of the bathroom floor is
kenny6666 [7]

Answer:

The number of square tiles required to cover the bathroom floor is approximately 31.

Step-by-step explanation:

The dimensions of the rectangular floor of the bathroom are:

Length = 10.5 ft.

Breadth = 6.5 ft.

The dimensions of the square tiles are:

Side = 1.5 ft.

The area of the rectangular floor of the bathroom is:

Area\ of Bathroom\ floor=Length\times Breadth\\=10.5\times6.5\\=68.25

The area of 1 square tile:

Area\ of\ 1\ square\ tile=(SIde)^{2}\\=(1.5)^{2}\\=2.25

The number of tiles required to cover the bathroom floor is:

Number\ of\ tiles=\frac{Area\ of\ bathroom\ floor}{Area\ of\ 1\ square\ tile} \\=\frac{68.25}{2.25}\\ =30.3333\\\approx31

Thus, the number of square tiles required to cover the bathroom floor is approximately 31.

6 0
3 years ago
HELPPPPPPP PLZZZZZZ IM IN DESPERATE NEED!!!!!!!!!!! Maria and Edwin have $23.00 each to spend at a book fair, where all students
ValentinkaMS [17]

Answer:

Step-by-step explanation:

The way Maria calculates the final price of the book is correct. We know that the book normally sells for $26.50 plus a 10% sales tax. We also know that the students will receive an additional 25% discount. We must understand that the sales tax is applied to the discounted price. So first we will calculate 25% of 26.50 and subtract it from that amount. So the price will then be: (26.50 - 6.625). The price is now $18.34. Then to calculate the tax, it will be (10% * 18.34), so 1.834. We add this amount to the discounted price so: (18.34+1.834) = 20.12.

The final price of the book is $20.12 and Maria can get it and still save a little money.

4 0
4 years ago
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