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dimulka [17.4K]
3 years ago
10

Which is the best estimate of x based on rounding the constants and coefficients in the equation to the nearest integer? 6.2x+1.

2=8.9
Mathematics
1 answer:
DerKrebs [107]3 years ago
7 0

<span>6.2x+1.2=8.9
</span>estimate<span>
 6x + 1 = 9
 6x = 8
  x = 8/6
  x = 1.33
  

answer
x = 1.33</span>
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Suppose for some positive real number aa that (a^(1 /4) ⋅ a ^(1/ 2 )⋅ a ^(1/ 4) 2 = 3.
Grace [21]

Answer:

(a) a=\frac{3}{2}

(b) We use the property of exponent that when there is multiplication of two function then there exponent are added  

Step-by-step explanation:

We have given expression

(a^{\frac{1}{4}}a^{\frac{1}{2}}a^{\frac{1}{4}})2=3

(a) We have to find the value of a

We know the property of exponent that when there is multiplication of two function then there is addition of exponent

So a^{\frac{1}{4}+\frac{1}{2}+\frac{1}{4}}\times 2=3

2a=3

a=\frac{3}{2}

(b) We use the property of exponent that when there is multiplication of two function then there exponent are added  

8 0
3 years ago
Use the picture below.
Flauer [41]

Answer:

x = 2.67°

GKJ = 40°

Step-by-step explanation:

Angle HKJ = 6x + 4

Angle HKG = 9x - 4

Segment bisects Angle GKJ, it means that angle HKJ is the same as angle HKG.

You have the measure of both angles in terms of x.

Angle HKJ = Angle HKG

6x + 4 = 9x - 4

4 + 4 = 9x - 6x

8 = 3x

2.67 = x

Angle HKJ:

6(2.67) + 4 = 20°

Angle HKG:

9(2.67) - 4 = 20°

Angle GKJ = HKJ + HKG = 20 + 20 = 40°

6 0
3 years ago
Please help for this question. Thank you​
sweet-ann [11.9K]

Answer:

A. 8.3

B.18.7

C. 10.4

D. 1.04

Step-by-step explanation:

p(x) = 0.03x² + 0.56x + 6.35

A. Determination of p(3)

p(x) = 0.03x² + 0.56x + 6.35

x = 3

p(3) = 0.03(3)² + 0.56(3) + 6.35

p(3) = 0.03(9) + 1.68 + 6.35

p(3) = 0.27 + 1.68 + 6.35

p(3) = 8.3

B. Determination of p(13)

p(x) = 0.03x² + 0.56x + 6.35

x = 13

p(13) = 0.03(13)² + 0.56(13) + 6.35

p(13) = 0.03(169) + 7.28 + 6.35

p(13) = 5.07 + 7.28 + 6.35

p(13) = 18.7

C. Determination of p(13) – p(3)

From A and B above,

p(13) = 18.7

p(3) = 8.3

p(13) – p(3) = 18.7 – 8.3

p(13) – p(3) = 10.4

D. Determination of p(13) – p(3) / 13 – 3

From C above,

p(13) – p(3) = 10.4

p(13) – p(3) / 13 – 3 = 10.4/ 13 – 3

= 10.4 / 10

= 1.04

4 0
4 years ago
Please explain also! I am not here just to get answers, I am here to understand. Thank you!
kolezko [41]

To help solve this, we need to use the slope formula.

(y2 - y1) / (x2 - x1). We get these values by picking two points on a line.

For JL, we will pick points (-5, -3) and (-2, -4).

y1 = -4

y2 = -3

x1 = -2

x2 = -5.

Let's plug these into our formula.

(-3) - (-4) / (-5) - (-2) = -1/3

For LN, we will pick points (-2, -4) and (7, -7).

y1 = -7

y2 = -4

x1 = 7

x2 = -2.

Lets plug these values into our equation.

(-4) - (-7) / (-2) - (7) = -1/3

Therefore,

(-3) - (-4) / (-5) - (-2) = (-4) - (-7) / (-2) - (7)

The correct answer is G.

3 0
4 years ago
Sometimes a dilation is an enlargement, and sometimes it is a reduction. Explain what types of numbers for scale factors causes
Free_Kalibri [48]
If your scale factor has absolute value greater than 1, the dilation is an enlargement. 
<span>If your scale factor has abs value less than 1, the dilation is a reduction. </span>
<span>If the scale factor is equal to 1, the image is congruent to the preimage. 
</span>
Hope this helps.
4 0
3 years ago
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