3 years ago

A rocket is launched from a tower. The height of the rocket, y in feet, is related to the

Mathematics

1 answer:

garri49 [273]3 years ago

5 0

Answer:

2.098 seconds

Step-by-step explanation:

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At a birthday party there were five more girls than boys. If the ratio of girls to boys was 4 to 3,

exis [7]

Let number if boys be x

No of girls=x+5

ATQ

$\\ \sf\longmapsto \dfrac{x+5}{x}=\dfrac{4}{3}$

$\\ \sf\longmapsto 3(x+5)=4x$

$\\ \sf\longmapsto 3x+15=4x$

$\\ \sf\longmapsto 4x-3x=15$

$\\ \sf\longmapsto x=15$

<h3>Number of girls</h3>

$\\ \sf\longmapsto x+5=15+5=20$

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3 years ago

Solve 2 log x = log 64. (1 point)

Vladimir79 [104]

Answer:

Step-by-step explanation:

2log(x)=log(64)

By logarithms properties

$xlog_{a}(b)=log_{a}(b^{x} ) \\$

log(x²)=log(64)

When you have log or ln in both sites, you delete them and...

x²=64

$\sqrt[]{x^{2} } =\sqrt{64} \\x=8$

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3 years ago

Jack's baby sister crawled three and five tenths meters today.which number represents that distance?

BaLLatris [955]

5 is the answer because it is a full number

8 0

3 years ago

The straight line, Line L has an equation of 4x+y=7. Find the equation of the straight line perpendicular to Line L that passes

Jobisdone [24]

Answer:

Step-by-step explanation:

y = -4x + 7

perp. 1/4

y - 3 = 1/4(x + 8)

y - 3 = 1/4x + 2

y = 1/4x + 5

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3 years ago

Factor the expression completely 40-5x

tatyana61 [14]

Answer:

5(8-x)

Step-by-step explanation:

Fact using the GCF (Greatest Common Factor) of 40 and 5

Factors of 5:

1,5

Factors of 40:

1,2,4,5,8,10,20,40

The greatest factor they both have is 5

Factor by distributing out a 5

40-5x

5(8-x)

7 0

3 years ago

Read 2 more answers