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Stella [2.4K]
3 years ago
8

Shailyn solved 618 math problems in one week. Karla solved 549 math problems. How many more math problems did shailyn solve than

Karla ?
Mathematics
1 answer:
Vaselesa [24]3 years ago
4 0
The answer is 69.

618-549=69
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What is the value of this expression when x = -6 and y =1/2? 4(x^2 + 3) − 2y
Anna007 [38]
155
-6^2= 36+3=39
4(39) -2(1/2)
156-1
8 0
4 years ago
Kiyo used wire fencing to form a border around a circular region in his back yard. If the radius of the circular region was 5 ya
ser-zykov [4K]
The equation the find the circumference of a circle is c=2<span>πr.
c=2</span><span>π5
c=10</span><span>π
c=31.4159...
the circumference of the backyard is 31.4 yards.
Hope I helped...</span>
3 0
3 years ago
A ball is dropped from a height of 25feet and allowed to bounce until it comes to a rest. Each time the ball bounces it rebounds
alina1380 [7]

Answer:

H3 = 25 * \frac{4}{5} * \frac{4}{5}* \frac{4}{5}

Step-by-step explanation:

Given

Initial\ Height =25

Rebound = \frac{4}{5}

Required

Determine the height at the third rebound

At first rebound;

H1 = 25 * \frac{4}{5}

Second rebound

H2 = 25 * \frac{4}{5}* \frac{4}{5}

Third rebound

H3 = 25 * \frac{4}{5} * \frac{4}{5}* \frac{4}{5}

Hence; the equation is:

H3 = 25 * \frac{4}{5} * \frac{4}{5}* \frac{4}{5}

Solving further;

H3 = 12.8\ ft

8 0
3 years ago
Les is measuring the border of her bulletin
borishaifa [10]

Answer:

Perimeter of the board

Step-by-step explanation:

That measurement of "the border of her bulletin board" is actually the perimeter of the board.

7 0
3 years ago
Lydia invested $5900 in an account paying an interest rate of 2 5/8% compounded monthly. Jace invested $5900 in an account payin
Alexus [3.1K]

Answer:

$875.18

Step-by-step explanation:

Given data

Lydia

P=$5900

Interest rate=2 5/8% >>21/8= 2.625%

compounded monthly.

First, convert R percent to r a decimal

r = R/100

r = 2.625%/100

r = 0.02625 per year,

Then, solve our equation for A

A = P(1 + r/n)^nt

A = 5,900.00(1 + 0.0021875/12)^(12)(19)

A = $ 9,710.01

Jace

P=$5900

Interest rate= 2 1/8% >>> 17/8>> 2.125%

Time= 19 years

First, convert R percent to r a decimal

r = R/100

r = 2.125%/100

r = 0.02125 per year,

Then, solve our equation for A

A = Pert

A = 5,900.00(2.71828)^(0.02125)(19)

A = $ 8,834.83

Hence the difference in their account balance is

= 9,710.01- 8,834.83

=$875.18

Therefore Lydia has $875.18 more money than Jace

4 0
3 years ago
Read 2 more answers
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