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3 years ago

What is the area? 20 in 25 in square inches

Mathematics

2 answers:

slava [35]3 years ago

7 0

Answer:

250 in sq

Step-by-step explanation:

Here's the solution

=> Base = 25in

=> Height = 20in

=>We need to find out area of traingle

=> Area of traingle = 1/2*base *height

=> Area = 1/2*20*25

=> Area= 250 in sq

hope it helps. ^_^

Ahat [919]3 years ago

7 0

250 .......... hopes it help

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The cost of 7 books was $154.40. How much does each book cost?

Simora [160]

Answer:

22.057

Round to 22

154.4/7 = 22.057

3 0

2 years ago

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Taylin buys 5 ounces of tea leaves for $2.35. At this rate, how much money does she need to buy 12 ounces of tea leaves? (second

MissTica

Answer:

see below

Step-by-step explanation:

We can determine how much 12 ounces cost by using ratios

5 ounces 12 ounces

-------------- = -------------------

2.35 x

Using cross products

5x = 12*2.35

5x = 28.2

Divide each side by 5

5x/5 = 28.2/5

x =5.64

If she has 10 dollars

5 ounces y ounces

-------------- = -------------------

2.35 10

5*10 = 2.35y

50 = 2.35y

Divide each side by 2.35

50/2.35 = 2.35y/2.35

21.27659574 =y

She can buy 21.3 ounces

7 0

3 years ago

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2+10²× 1 ( I put a lot of Points )

Brilliant_brown [7]

Answer:

= 2+10²× 1

= 2+(10*10)× 1

= 2+100×1

= 2+100

=102

8 0

3 years ago

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Solve this showing work. worth 50 points

goldfiish [28.3K]

Answer:

10. X=3

11. FG=15

12. QS=34

Hope this helps

Step-by-step explanation:

10. 8x+11=12x-1

8x-12x=-1-11

-4x=-12

x=3

11. 11x-7=3x+9

11x-7=-9+7

8x=16

x=2

Substitute the (x)

11(2)-7 =15

12. 5x-3=21-x

5x+x=21+3

6x=24

x=4

Substitute the (x)a

5(4)-3=17

21-(4)=17

17+17=34

6 0

3 years ago

Assume that the annual household expenditure on sugar is approximately normally distributed with a mean of $8.22 and a standard

irina1246 [14]

To solve this problem, we will have to make use of the z statistic. The formula for the z score is given as:

z = (x – u) / s

where,

x is the sample value = more than $10.00

u is the sample mean = $8.22

s is the standard deviation = $1.10

Substituting the values into the equation to solve for z:

z = (10 – 8.22) / 1.10

z = 1.78 / 1.10

z = 1.62

We then look for the p value using the standard distribution tables at the specified z score value = 1.62. Since this is a right tailed test, therefore the p value is:

p = 0.0526

p = 5.26%

Therefore there is a 5.26% probability that a household spent more than $10.00

5 0

3 years ago