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2 years ago

Show that each number is a rational number by expressing it as a ratio of two integers

Mathematics

1 answer:

kykrilka [37]2 years ago

8 0

The answer will be c

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Neal purchases a digital camera for his

Alika [10]

Answer:

101.91

Step-by-step explanation:

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2 years ago

What is the value of 5n-3 when n=5?

joja [24]

Answer:

Step-by-step explanation:

We are given the expression:—

$\displaystyle \large{5n-3}$

When n = 5, substitute/change n to 5:—

$\displaystyle \large{5(5)-3}$

Evaluate:—

$\displaystyle \large{25-3=\boxed{22}}$

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<u>Summary</u>

<u>Substitution</u>

Changing or replacing from a term to another terms/expression is called substitution.

Examples:—

If we are given the expression $\displaystyle \large{2y-1}$ and we want to find the value when y = 4, simply replace y-term to 4.

$\displaystyle \large{2(4)-1=8-1=\boxed{7}}$

__________________________________________________________

If you have any doubts regarding my answer/explanation, do not hesitate to ask in comment!

8 0

1 year ago

Justin rides his bicycle 2.5 kilometers to school. Luke walks 1950 meters to school. How much farther does Justin walk than Luke

guapka [62]

Hello!

1950 m = 1.95

2.5 - 1.95 = 0.55

ANSWER: Justin rides his bike 0.55 km father than Luke.

I hope this helped you! c:

8 0

3 years ago

What is the shape of f(x)

KonstantinChe [14]

f(x) is concave down on an interval I if all of the tangents to the curve on I are above the graph of f(x)

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2 years ago

A rectangular park is 50m long and 35m broad.A 3.5m broad pavement runs along the boundary of the park .Find the cost of cementi

igor_vitrenko [27]

Answer:

$29,750

Step-by-step explanation:

Area (pavement) = 2 x 3.5(50 + 35)

= 7 x 85

= 595 sq. m.

Cost

= 400 per 8. sq. m.

= 50 per sq. m.

=> 595 x 50

=> $29.750

8 0

2 years ago

Read 2 more answers