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Julli [10]
3 years ago
5

How do I prove this?

Mathematics
1 answer:
77julia77 [94]3 years ago
4 0

Answer:

With math I think

Step-by-step explanation:

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The radio of boys to girls in a school is 4:5 there are 80 girl. How many boys are there?
love history [14]

Answer:

64=boys

Step-by-step explanation:

Boys to girls

4:5

80=girls

80÷5=16×4=64

6 0
3 years ago
3/6(r-7)=1 what Is value of r
sleet_krkn [62]
 3/6 (r-7) =1 The answer is r=7

3 0
3 years ago
Please help!! Geometry, will mark brainliest!
melisa1 [442]

Answer:

n = 36

Step-by-step explanation:

The opposite sides of a parallelogram are congruent , that is

AB = DC , substitute values

\frac{2}{3} n - 5 = \frac{1}{3} n + 7 ( multiply through by 3 to clear the fractions )

2n - 15 = n + 21 ( subtract n from both sides )

n - 15 = 21 ( add 15 to both sides )

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8 0
3 years ago
Read 2 more answers
5. A researcher creates a scatter plot that displays the relationship between the number of years in business, , and the percent
Black_prince [1.1K]

Based on the information given, it should be noted that the residual for the two points will be 0.087 and -0.033 respectively.

<h3>How to find the residual.</h3>

From the complete information, the predicted value for the point (3, 0.42) will be:

= (0.091 × 3) + 0.060

= 0.0273 + 0.060

= 0.333

Therefore, the residual will be:

= 0.42 - 0.333 = 0.087

The predicted value for the point (3, 0.3) will be:

y = 0.091x + 0.060.

= (0.091 × 3) + 0.060.

= 0.333

Therefore, the residual will be:

= 0.3 - 0.333 = -0.033

Therefore, the residual for the two points will be 0.087 and -0.333 respectively.

Learn more about residuals on:

brainly.com/question/26255019

8 0
2 years ago
Chords AB and CB intersect at E in circle O, as shown in the diagram below. Secant
Jobisdone [24]

Answer:

Step-by-step explanation:

4 0
2 years ago
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