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2 years ago

What is the best estimate for the quotient 5,397 divided by 62

Mathematics

2 answers:

shusha [124]2 years ago

4 0

The best, closest quotient would be 87.

Mrac [35]2 years ago

3 0

<span>The best estimate is 80 because 5000 divided by 60 is 80.3 repeating.</span>

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Point D is rotated 180 degrees using B as the center. Explain why the image of D must lie on the ray BA.

Igoryamba

Answer:

The image of $D$ must lie on the ray $BA$ , since ray $BA$ is antiparallel to ray $BD$ . That is, the angle between both rays is 180 degrees.

Step-by-step explanation:

Let be $D'$ the image of $D$ such that $D$ is rotated 180 degrees counterclockwise with $B$ as center of rotation.

$D'$ must lie on the ray $BA$ , since ray $BA$ is antiparallel to ray $BD$ . That is, the angle between both rays is 180 degrees.

5 0

3 years ago

What are the solutions of the quadratic equation? 4x^2+9x-9=0

vagabundo [1.1K]

Answer:

$x=3/4$

$x=-3$

Step-by-step explanation:

we have

$4x^2+9x-9=0$

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

$4x^2+9x-9=0$

$a=4\\b=9\\c=-9$

substitute in the formula

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

$x=\frac{-9(+/-)\sqrt{225}} {8}$

$x=\frac{-9(+/-)15} {8}$

$x=\frac{-9+15} {8}=3/4$

$x=\frac{-9-15} {8}=-3$

5 0

2 years ago

Read 2 more answers

If you have any questions please ask away

rjkz [21]

Nicki minaj is a quebeebbenenene

7 0

2 years ago

En una ciudad se registró una temperatura de 12°c bajo cero a las 3:00 am si a las 7:00am del mismo dia la temperatura era tres

hjlf

Answer:

24°c

Step-by-step explanation:

Cuando se dice que la temperatura esta "mayor" significaria que esta aumentando y entorno subiendo a ser mas caliente. Siendo este el caso, si la temperatura a las 3:00 estaba a 12c bajo cero entonces a las 7:00 estaria a 24c. Esto es por que un aumento de tres vecesseria un aumento de 36 grados (12*3). 12c grados bajo cero seria un numero negativo y si sumamos estos numeros nos daria 24c grados.

-12 + 36 = 24

7 0

2 years ago

31=4-9y I need help sorry

Drupady [299]

Answer:

y=-3

Step-by-step explanation:

31=4-9y

9y=4-31

9y=-27

y=-27/9

y=-3

8 0

2 years ago