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REY [17]
3 years ago
5

What is the area of trapezoid?

Mathematics
2 answers:
Yuri [45]3 years ago
3 0

Answer:

141.12 cm^2

Step-by-step explanation:

A = 1/2 (b1+b2)h where b1 = 10.2, b2 = 12.2 and h = 12.6

so

A = 1/2(10.2 + 12.2) * (12.6)

A = 1/2(22.4)(12.6)

A = 141.12 cm^2

marissa [1.9K]3 years ago
3 0

Answer:

A≈141.12

A=a+b/2(h)

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Solve 4(3b + 2) – 5b = 43 for b. Question 4 options: A) b = 3 B) b = 5 C) b = –3 D) b = –5
Lisa [10]

Answer:

b = 5

Step-by-step explanation:

4 ( 3b + 2 ) - 5b = 43     Given

( 4 • 3b + 4 • 2 ) - 5b = 43      Distributive Property

12b + 8 - 5b = 43

12b - 5b + 8 = 43    Combine like terms

7b + 8 = 43

7b + 8 - 8 = 43 - 8     Subtraction Property of Equality

7b = 35

7b / 7 = 35 / 7      Division Property of Equality

b = 5

7 0
3 years ago
Read 2 more answers
2y-8x=20 in slope intercept form
kupik [55]
The slope intercept formula: y=mx + b

2y - 8x = 20     ∫ Add 8x to both sides to make the equation suitable∫

2y = 8x + 20    ∫Divide both sides by 2∫

∵ y= 4x + 10 ∵

I hope this helps
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4 0
3 years ago
842 rounded to the nearest ten
g100num [7]

Answer:

842 rounded to the nearest ten is 840

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
I NEED TO HAND IN NOW!!!
umka21 [38]

Step-by-step explanation:

a)

total no. of pupils is not more than 24

therefore first equation is

(x+y) ≤ 24. ....(1)

No. of girls exceeding the no. of boys by atleast 4

(y-x) ≥ 4. .....(2)

b) Now Liza chooses 8 boys

Maximum no. of girls = ?

Using first inequality

y+8= 24 ( maximum value of less than or equal to function is equal to itself)

Therefore,

y= 24-8

=16

Minimum no. of girls = ?

Using second inequality

y-8 =4 (minimum value of greater than or equal to function is equal to itself)

Therefore,

y= 4+8

y=12

Answer:

a) 2linear inequalities

(x+y) ≤ 24

(y-x) ≥ 4

b) Max no. of girls = 16

Min no. of girls = 12

Hope it helps...

5 0
3 years ago
Brittany buys 2.55 pounds of turkey for $5.96 per pound and 3.7 pounds of
Galina-37 [17]

Answer:

Brittany needs another $3.7405.              

Step-by-step explanation:

Per pound Cost of turkey = $5.96 per pound

The amount Brittany buys the turkey = 2.55 pounds

Brittany's cost for turkey = 2.55 × $5.96 = $15.198

Per pound cost for cheese = $3.35 per pound

The amount Brittany buys the cheese = 3.7 pounds

Brittany's cost for cheese = 2.55 × $3.35 = $8.5425

So,

Brittany's total cost = Turkey cost + Cheese cost

                                = $15.198 + $8.5425

                                = $23.7405

As brittany gave the clerk 20 dollars.

So, the amount she further needs will be:

$23.7405 - $20 =  $3.7405

Therefore, Brittany needs another $3.7405.                                                                      

8 0
2 years ago
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