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Lesechka [4]
3 years ago
6

Use benchmarks to estimate the sum, difference, or product.

Mathematics
1 answer:
sukhopar [10]3 years ago
7 0
My opinion is d/1 okay and i did not understand
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24 pencils costing a total of $3.00 how many cents per a pencil
hram777 [196]

Answer:

$0.125 , so 12.5 cents per pencil

Step-by-step explanation:

\frac{3.00}{24}

You can double check this by doing 0.125*24 , making sure it equals 3.

3 0
3 years ago
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What is the value of x, y and z?
sergeinik [125]

Answer:

The value is 25 x 6y

Step-by-step explanation:

8 0
3 years ago
Find the solutions to the equation below. check all that apply
BartSMP [9]

Answer:

A and E

Step-by-step explanation:

Given

20x² - 26x + 8 = 0 ( divide through by 2 )

10x² - 13x + 4 = 0

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term.

product = 10 × 4 = 40 and sum = - 13

The factors are - 5 and - 8

Use these factors to split the x- term

10x² - 5x - 8x + 4 = 0 ( factor the first/second and third/fourth terms )

5x(2x - 1) - 4(2x - 1) = 0 ← factor out (2x - 1) from each term

(2x - 1)(5x - 4) = 0

Equate each factor to zero and solve for x

2x - 1 = 0 ⇒ 2x = 1 ⇒ x = \frac{1}{2} → E

5x - 4 = 0 ⇒ 5x = 4 ⇒ x = \frac{4}{5} → A

6 0
2 years ago
What are the steps for constructing a circumscribed circle for using only a compass and a straightedge?
Marta_Voda [28]
Construct the perpendicular bisector of one side of triangle
Construct the perpendicular bisector of another side
Where they cross is the center of the Circumscribed circle
Place compass on the center point, adjust its length to reach any corner of the triangle, and draw your Circumscribed circle!
4 0
3 years ago
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Keisha has a straightedge and a compass, but no protactor. what kind of angle can Keisha drag exactly with only these two tools?
nekit [7.7K]
A 90˚ angle
a 180 angle
6 0
3 years ago
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