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3 years ago

PLEASE HELP! 5TH GRADE MATH! Select the best estimate of the product of 91 x 58 = ____ A. 4,500 B. 5,000 C. 5,400 D. 6,000

Mathematics

2 answers:

Marizza181 [45]3 years ago

5 0

The answer is, 5,000 I believe!

kramer3 years ago

4 0

Answer:

B. 5,000 , have a nice day! ^u^

Step-by-step explanation:

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What is the factorization of 3x2 – 8x + 5?

ELEN [110]

we have

$3x^{2} -8x+5$

Equate the expression to zero to find the roots

$3x^{2} -8x+5=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$3x^{2} -8x=-5$

Factor the leading coefficient

$3(x^{2} -(8x/3))=-5$

Complete the square. Remember to balance the equation by adding the same constants to each side.

$3(x^{2} -(8x/3)+(16/9))=-5+(16/3)$

$3(x^{2} -(8x/3)+(16/9))=(1/3)$

Rewrite as perfect squares

$3(x-(4x/3))^{2}=(1/3)$

$(x-(4x/3))^{2}=(1/9)$

square roots both sides

$(x-\frac{4}{3})=(+/-) \sqrt{\frac{1}{9}}$

$x=\frac{4}{3}(+/-) \frac{1}{3}$

the roots are

$x=\frac{4}{3}+ \frac{1}{3}=\frac{5}{3}$

$x=\frac{4}{3}- \frac{1}{3}=\frac{3}{3}=1$

$3x^{2} -8x+5=3(x-\frac{5}{3})(x-1)=(3x-5)(x-1)$

therefore

<u>the answer is the option</u>

$(3x-5)(x-1)$

6 0

3 years ago

Read 2 more answers

Oney four tenths of the print area of the newspaper carried new. The rest was filled with advertisements. What percentage of the

Nikitich [7]

Answer: The required percentage is 75% of print area filled with advertisement.

Step-by-step explanation:

Since we have given that

Part of the print area of the newspaper carried new = $\dfrac{1}{4}$

Rest was filled with advertisements = $1-\dfrac{1}{4}=\dfrac{4-1}{4}=\dfrac{3}{4}$

So, Percentage of the print area was filled with advertisement is given by

$\dfrac{3}{4}\times 100\\\\=75\%$

Hence, the required percentage is 75% of print area filled with advertisement.

3 0

3 years ago

Need help asap please!

marysya [2.9K]

The answer is 8 cups

6 0

4 years ago

Read 2 more answers

2(x+4)=1/2(4x-4) answer and show work

taurus [48]

2(x+4) = 1/2(4x-4)

Multiply through by 2:-

4(x + 4) = 4x - 4

4x + 16 = 4x - 4

4x - 4x = -4 - 16

0 = -20

This is obviously wrong so there is NO Solution (answer).

8 0

4 years ago

Pauline uses her home computer for word processing under contract to an agency. she is paid $7 per page for the first 50 pages,

MrMuchimi

a) 67=50+17

50×7+17×9=350+153=503$

b) 123=50+50+23

50×7+50×9+23×10=350+450+230=1030$

5 0

3 years ago