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Korvikt [17]
2 years ago
7

I NEED HELP PLEASE HURRY Type the correct answer in the box. Use numerals instead of words. If necessary use / for the fraction

bar. The factors of 5y2-2y-7 are (5y-7) and (. )
Mathematics
2 answers:
ivolga24 [154]2 years ago
6 0

Answer:

The factors of 5y2 − 2y − 7 are (5y − 7) and ( y + 1 )

Step-by-step explanation:

mart [117]2 years ago
3 0
(y+1), since 5y2-2y-7=(5y-7)(y+1)
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Question 28 of 42
lina2011 [118]

Answer with explanation:

Properties of Rectangle

1. Opposite sides are equal and parallel.

2. Diagonals are equal and bisect each other.

3. Adjacent Sides are Perpendicular to each other.

→If two lines are parallel their slopes are equal and if two Lines are perpendicular, their product of slopes is -1.

→A Rectangle is a Quadrilateral also.

→Adjacent sides are perpendicular ,so , their slopes can't be equal.Product of their slopes should be equal to ,-1.

⇒Slope of AB × Slope of BC = -1

⇒Also, Slope of AB × Slope of BC = -1

Slope of AB × Slope of AD = -1

⇒ Slope of AD × Slope of CD = -1

Slope of CB × Slope of CD = -1

Option B And Option C

are statement which proves that polygon ABCD is not a rectangle.

5 0
3 years ago
Each letter in this equation represents a unique digit. If U stands for 8 and the
cricket20 [7]

Answer:

4x2=8

Step-by-step explanation:

This equation is simple and easy cause its base sick math

8 0
2 years ago
One kilogram is 2.2 pounds. If i had 1 pound would that be 0.45 kilograms why or why not?
prisoha [69]

Step-by-step explanation:

1 kg = 2.2 pounds

0.45 kg = 1 pounds to see whether it's correct or not we can cross multiply the given equations

multiply 1 kg with 1 pounds and 0.45 kg with 2.2 pounds then check if they are equal

1 × 1 = 2.2 × 0.45

1 = 0.99 as you can see this is not an equality therefore the statement is wrong.

3 0
3 years ago
Well he buys two books at a bookstore. He spent $44.52 after 6% sales tax is applied, but the clerk does not provide him with th
mart [117]

Let x represent the cost of book B

Book A: $17.50

Book B: x

Sales tax: (A + B) x 6% = .06(17.50 + x) = 1.05 + .06x

book A + book B + sales tax = total cost

(17.50) + (x) + (1.05 + .06x) = 44.52 <em>plugged in all of the values</em>

18.55 + 1.06x = 44.52 <em>added like terms</em>

1.06x = 25.97 <em>subtracted 18.55 from both sides</em>

x = 24.50 divided 1.06 from both sides

Answer: $24.50

8 0
3 years ago
Quickly helllllpppp! plz
xz_007 [3.2K]

Answer:

≈ 8.07 mg

Step-by-step explanation:

Given

f(x) = 12(0.82)^{x}

Substitute x = 1 into f(x) , that is

f(2) = 12(0.82)² = 12 ×0.6724 ≈ 8.07 mg

7 0
3 years ago
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