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Naddik [55]
3 years ago
13

There are 525 pages in a book. Julia and Kim round the number of pages to the nearest ten. Julia says it is 520. Kim says it is

53 tens. Who is correct. Explain your thinking.
Mathematics
1 answer:
jok3333 [9.3K]3 years ago
4 0
Both of them are wrong 525 rounds to 530! The way I was taught may be different then how you were taught!! 5 and up rounds up 4 and down rounds down! :) I hope this helped!
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Explain how a set of numbers can have a greatest common factor greater than 1
g100num [7]
The set of number can all be related to each other. They may all have more factors that are greater than 1.
5 0
3 years ago
Create an expression equivalent to 3 (4x -2) -5x+10 using the least number of terms. please show your work.
marusya05 [52]

Answer:

7x+4

Step-by-step explanation:

Distribute:

=(3)(4x)+(3)(−2)+−5x+10

=12x+−6+−5x+10

Combine Like Terms:

=12x+−6+−5x+10

=(12x+−5x)+(−6+10)

=7x+4

7 0
3 years ago
The area of triangle ABC is 3√2 square inches. Find the measure of the acute angle, A, if b = 9 meters and c = 2 meters.
taurus [48]

Answer:

A\approx 28^{\circ}

Step-by-step explanation:

Please find the attachment.  

We have been given that area of triangle ABC is 3√2 square inches.

\text{Area}=\frac{1}{2}\text{Base}\times \text{height}

We know that area of triangle an be found using trigonometry as:

\text{Area}=\frac{1}{2}\times c\times h

\text{sin}(A)=\frac{h}{9}\\h=9\cdot \text{sin}(A)

3\sqrt{2}=\frac{1}{2}\times 2\times 9\cdot \text{sin}(A)

3\sqrt{2}=9\cdot \text{sin}(A)

9\cdot \text{sin}(A)=3\sqrt{2}

\text{sin}(A)=\frac{3\sqrt{2}}{9}

\text{sin}(A)=\frac{\sqrt{2}}{3}

Now, we will use inverse sine to find the value of angle A as:

A=\text{sin}^{-1}(\frac{\sqrt{2}}{3})

A=28.1255057^{\circ}

A\approx 28^{\circ}

Therefore, the measure of angle A is approximately 28 degrees.

3 0
3 years ago
What is the slope intercept form when m = 1/2 &amp; b = 89 ?<br> Helppppppppp
Zina [86]

Answer:

y = \frac{1}{2}x + 89

Step-by-step explanation:

slope-intercept form: y  = mx + b

y = (x , y)

x = (x , y)

m = slope = 1/2

b = y-intercept = 89

Plug in the corresponding numbers & variables to the corresponding variables:

y = (1/2)x + 89

y = \frac{1}{2}x + 89  is your answer.

~

5 0
3 years ago
Read 2 more answers
Q3: Rose collected 4 flowers in the morning and 3 in the evening. She continued the activity for 2 weeks. At the end of 2 weeks,
satela [25.4K]

Answer: she had 98 flowers

Step-by-step explanation: (4+3)x(7x2)

6 0
3 years ago
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