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malfutka [58]
1 year ago
11

Round the number to the place value given87.945327 rounded to the hundred- thousandth is

Mathematics
1 answer:
dem82 [27]1 year ago
8 0

Let us identify the different place values in the given number.

87.945327

Starting from the left side, we have:

8 - ten's place

7 - one's place

decimal point

9 - tenth's place

4 - hundredths place

5 - thousandths place

3 - ten-thousandths place

2 - hundred-thousandths place

7 - millionth place

As we can see above, the number in the hundred-thousandths place is 2.

The number after 2 or the number in the millionth place is 7. Since the number in the millionth place is above 5, we will round up the hundred-thousandths place by adding 1. So, 87.945327 becomes 87.94533 when rounded to the hundred-thousandth place.

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3 years ago
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horsena [70]
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8 0
3 years ago
1. Evaluate 3y - 4 for y =5
irina1246 [14]

Answer:

1. Evaluate 3y - 4 for y =5

3*(5)-4=15-4=11

2. 65 + x = 99 x = ?

65+x=99

x=99-65

x=34

3. Find the product. 38.7 *21

38.7*21=812.7

4. Which value satisfies the equation? 9x + 3 = 30

The right value for x would be:

9x+3=30

9x=30-3

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Step-by-step explanation:

3 0
3 years ago
use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine cos^4
Firdavs [7]

The expression cos⁴ θ in terms of the first power of cosine is <u>[ 3 + 2cos 2θ + cos 4θ]/8.</u>

The power-reducing formula, for cosine, is,

cos² θ = (1/2)[1 + cos 2θ].

In the question, we are asked to use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine cos⁴ θ.

We can do it as follows:

cos⁴ θ

= (cos² θ)²

= {(1/2)[1 + cos 2θ]}²

= (1/4)[1 + cos 2θ]²

= (1/4)(1 + 2cos 2θ + cos² 2θ] {Using (a + b)² = a² + 2ab + b²}

= 1/4 + (1/2)cos 2θ + (1/4)(cos ² 2θ)

= 1/4 + (1/2)cos 2θ + (1/4)(1/2)[1 + cos 4θ]

= 1/4 + cos 2θ/4 + 1/8 + cos 4θ/8

= 3/8 + cos 2θ/4 + cos 4θ/8

= [ 3 + 2cos 2θ + cos 4θ]/8.

Thus, the expression cos⁴ θ in terms of the first power of cosine is <u>[ 3 + 2cos 2θ + cos 4θ]/8</u>.

Learn more about reducing trigonometric powers at

brainly.com/question/15202536

#SPJ4

5 0
2 years ago
Select 3 ratios that are equivalent to 8:5
torisob [31]
- 16:10           
- 24:15         
- 40:25     
8:5 is just a simplier version of these other ratios     
7 0
3 years ago
Read 2 more answers
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