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Aleks04 [339]
2 years ago
15

PLZ help me i cant figure out these 2 questions!!!!!!!!

Mathematics
2 answers:
Hatshy [7]2 years ago
4 0
Number 1 is a because you would minus 1 from both sides to get the x alone.

motikmotik2 years ago
3 0
4)
first and last are your answers

x + 1 = 7
6+ 1 = 7
7 = 7 (true)

6(x+2)=2x-5(x-8)+26
6(6+2) = 2(6) - 5(6-8) +26
6(8) = 12 - 5(-2) + 26
48 = 12 + 10 + 26
48 = 48 (true)

5)
first and last are your answers

3(2/5)+4=5 1/5
6/5 +4=26/5
6/5 20/5 = 26/5
26/5 = 26/5 (true)

1/3 (2/5) + 5/3 = 2(2/5)+1
2/15 + 5/3 = 4 /5 + 1
2/15 + 25/15 = 12/15 + 15/15
27/15 = 27/15 (true)


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A person jogged 10 times along the perimeter of a rectangular field at the rate of 12 kilometers per hour for 30 minutes. If fie
balu736 [363]

Answer:

20,000m²

Step-by-step explanation:

If they jog 12 km/h for half an hour, they have covered.

12 X 0.5 = 6km in 10 circuits. Making 1 perimeter

6 / 10 =0.6 km (600 m).

To determine area we need to convert this perimeter to length and width. We know that it is a rectangle, with 2 equal widths and 2 equal lengths, and the length is twice the width.

So L = 2W

Perimeter = 2W + 2L

600 m = 2W + 2(2W)

600 m = 6W

W = 100 m

L = 200 m

Area = 100 X 200 = 20,000 m²

4 0
2 years ago
HURRY GIVING BRAINLIEST!! please help!
spin [16.1K]

Answer:

Joe wants to know how much wood is needed to make a picture frame. (3rd)

Step-by-step explanation:

4 0
2 years ago
5) <br> Solve.<br> x - 32 = 73<br> A) x = 41 <br> B) x = 105 <br> C) x = 2336 <br> D) x = 2 9/32
Mice21 [21]

Answer:

b

Step-by-step explanation:

105 - 32 = 73

6 0
3 years ago
Read 2 more answers
Help I really need help you guys
finlep [7]
HELLO THERE!

(:

This is a problem that looks harder then it seems, First determine the cost of each item he is trying to buy. Then figure out the number of dollars he has to spend. Once you have figured that out you divide the cost into how much he has.

For example.
John has 10 dollars. He wants to buy pencils. Each pencil will cost john 2 Dollars. How many can he buy?

By dividing the cost of the pencils = 2 into the number of dollars he has 10 Divided by 2, we get 5. 

Now it's your turn. Divide the number he has to spend by the price of the items. This will get you your answer! 
Hope this helped!
3 0
2 years ago
The general form of the equation of a circle is 7x2 + 7y2 − 28x + 42y − 35 = 0. The equation of this circle in standard form is
marta [7]
7 x² + 7 y² - 28 x + 42 y - 35 = 0  /: 7
x² + y² - 4 x + 6 y - 5 = 0
( x² - 4 x + 4 ) + ( y² + 6 y + 9 ) - 4  - 9 - 5 = 0
The equation in the standard form is:
( x - 2 )² + ( y + 3 )² = 18
The center is at the point ( 2, - 3 ).
Its radius is: √18 = 3√2 units.
7 0
3 years ago
Read 2 more answers
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