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vagabundo [1.1K]
3 years ago
14

What is answer to this equation 7x-4=2

Mathematics
2 answers:
Lina20 [59]3 years ago
4 0
X=6 because you take x as one you have 7-1=6 so 6-4=2
Inga [223]3 years ago
3 0
7x=2+4
7x=6
X=6/7 ans
Hope you like it
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you deposited $1275.00 in your savings account . your simple interest rate is 3.75% annually. How much will your total account b
Lera25 [3.4K]

Answer:

$1,322.81

Step-by-step explanation:

6 0
2 years ago
A square is inscribed in a circle with an area of 10 pi square inches. what is the area of the square
Naddik [55]
We need to determine the radius and diameter of the circle.  If the area of the circle is 10 pi in^2, then, according to the formula for the area of a circle,

A = 10 pi in^2 = pi*r^2.  Thus, 10 in^2 = r^2, and r = radius of circle = sqrt(10) in.

Thus, the diam. of the circle is 2sqrt(10) in.  This diam. has the same length as does the hypotenuse of one of the triangles making up the square.

Thus, [ 2*sqrt(10) ]^2 = x^2 + x^2, where x represents the length of one side of the square.  So, 4(10) in^2 = 2x^2.  Then:
                                 40 in^2  = 2x^2, or 20 in^2 = x^2, and so the length x of one side of the square is sqrt(20).  The area of the square is the square of this result:

Area of the square = x^2 = [ sqrt(20) ]^2 = 20 in^2 (answer).  Compare that to the 10 pi sq in area of the circle (31.42 in^2).
8 0
3 years ago
Clare went to a concession stand that sells pretzels for $3.25, drinks for $1.85, and bags of popcorn for $0.99 each. She bought
djyliett [7]

Answer:

No.

Step-by-step explanation:

Price of each pretzel = $3.25

Price of each drink = $1.85

Price of each bag of popcorn = $0.99

Maximum money to be spent = $10

Price of two pretzels = $3.25 \times 2 = $6.5

Price of two drink = $1.85 \times 2 = $3.70

Price of two bags of popcorn = $0.99 \times 2 = $1.98

Total money spent for buying two items of each type = $6.5 + $3.70 + $1.98 = $12.18

The money spent when 2 pretzels, 2 drinks and 2 bags of popcorn are bought is $12.18.

But maximum money available is $10.

Therefore, Clare would not be able to buy 2 pretzels, 2 drinks and 2 bags of popcorn with the amount of money available.

7 0
2 years ago
A police officer investigating an accident finds a skid mark of 115 ft in length. How fast was the car going when the driver app
Zina [86]
Pretty fast consider 115ft wasn't enough to avoid an accident..
8 0
3 years ago
Jake drove 66 miles in 2/5 hour. what's the unit rate in miles per hour?
Ad libitum [116K]

Answer:

He was going about 26 miles an hour.

Step-by-step explanation:

This is a fraction equal to

66 miles ÷ 2.5 hours

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 2.5

66 miles ÷ 2.5

2.5 hours ÷ 2.5

=

26.4 miles

1 hour

=

26.4 miles

hour

= 26.4 miles per hour

6 0
2 years ago
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