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Svetllana [295]

2 years ago

8

name a factor pair for a rectangle that has an area of 50 sq. cm.and a perimeter greater than 100 cm.

1 answer:

ioda2 years ago

7 0

<span>a rectangle of dimensions 1 cm * 50 cm has a perimeter of 102 cm.</span>

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Can someone help me please

Nesterboy [21]

1. The triangle is Isosceles and acute A (since there are two equal sides and the angles are less than 90)
2. Right triangle E (since there is a right angle)
3. The triangle is obtuse scalene T (since there are no equal sides and one angle is greater than 90)
4. Right isosceles O
5. Acute equilateral N
6. Obtuse scalene T<span />

8 0

2 years ago

Find the solutions of the quadratic equation 14x^2+9x+10=014x

Vesnalui [34]

Answer:

Option B. $x=-\frac{9}{28}(+/-)\frac{\sqrt{479}}{28}i$

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form $ax^{2} +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$14x^{2}+9x+10=0$

so

$a=14\\b=9\\c=10$

substitute in the formula

$x=\frac{-9(+/-)\sqrt{9^{2}-4(14)(10)}} {2(14)}$

$x=\frac{-9(+/-)\sqrt{-479}} {28}$

Remember that

$i=\sqrt{-1}$

substitute

$x=\frac{-9(+/-)\sqrt{479}i} {28}$

$x=-\frac{9}{28}(+/-)\frac{\sqrt{479}}{28}i$

5 0

2 years ago

4. Which expression is a simplified form of -5(8x)?<br> a. 40x<br> b. -40%<br> C. 3x<br> d. -40x?

Sedbober [7]

Answer:

Option d

Step-by-step explanation:

-5(8x)

= -5×8×x

= -40x

Answered by GAUTHMATH

5 0

2 years ago

Need help please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

lina2011 [118]

A) 6x + 4x -6 = 24 + 9x

10x - 6 = 24 + 9x

10x - 9x = 24 + 6

X=30

8 0

2 years ago

A local hardware business wishes to find out how many of the local residents would use a delivery service. They call every tenth

Free_Kalibri [48]

It is systematic because they are going every tenth person, in a random manner.

7 0

3 years ago