All categories

3 years ago

Kevin is 39 years old and daniel is 3 years old. how many years will it take until kevin is only 4 times as old as daniel?

Mathematics

1 answer:

Likurg_2 [28]3 years ago

5 0

I hope this helps you

You might be interested in

A company has developed a training procedure to improve scores on the SAT. Following the training, 100 high school students take

Pani-rosa [81]

Answer:

The calculated t-test = 1.717 < 1.6604 at 0.05 level of significance

Null hypothesis is accepted at 0.05 level of significance

A company has developed a training procedure is significantly improve scores

Step-by-step explanation:

Step(i):-

Given sample mean (x⁻ ) = 517

sample standard deviation (s) =90

Mean of the Population (μ) =500

Null Hypothesis :- H₀ : (μ) =500

Alternative Hypothesis : H₁ : μ ≠ 500

Step(ii):-

Test statistic

$t = \frac{x^{-} -mean}{\frac{s}{\sqrt{n} } }$

$t = \frac{517 -500}{\frac{90}{\sqrt{100} } }$

t = 1.717

Level of significance

∝ = 0.05

t₀.₀₅ = 1.6604

The calculated t-test = 1.717 < 1.6604 at 0.05 level of significance

Conclusion:-

Null hypothesis is accepted at 0.05 level of significance

A company has developed a training procedure is significantly improve scores

3 0

3 years ago

3.) SOLVE FOR X.

gayaneshka [121]

The value of x in the secants intersection is 1 units

The value of NM in the tangent and secant intersection is 51 units

<h3>How to find length when secant and tangent intersect?</h3>

The first question, two secant intersect outside the circle.

Therefore,

(6x + 8x)8x = (9 + 7)7

14x(8x) = 16(7)

112x² = 112

x² = 112 / 112

x = √1

x = 1

The second question, tangent and secant intersect,

Therefore,

(x + 3)² = (x - 3)(16 + x - 3)

(x + 3)² = (x - 3)(x + 13)

(x + 3)(x + 3) = (x - 3)(x + 13)

x² + 3x + 3x + 9 = x² + 13x - 3x - 39

x² + 9x + 9 = x² + 10x - 39

x² - x² + 9x - 10x = -39 - 9

-x = - 48

x = 48

NM = 48 + 3 = 51 units

learn more on secant and tangent here: brainly.com/question/12477905

#SPJ1

6 0

2 years ago

A square wall is 30 ft ^2. What is the length of one wall?

Serggg [28]

√30 = 5.47722557505

so 5.5ft × 5.5ft ≈ 30ft²

I hope I helped

ΩΩΩΩΩΩΩΩΩΩ

8 0

3 years ago

Solve each system by graphing 7x-y=3 x-y=-3

Rudiy27

Here ya go... hope this helps (:

these are separate functions right? if not i'll do it again.

4 0

3 years ago

Turner has already taken 6 pictures at home, and he expects to take 3 pictures during every

Helga [31]

Answer:

6+3d=p

Hope this helps ya

3 0

3 years ago

Read 2 more answers