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bagirrra123 [75]
3 years ago
11

Please help with the questions

Mathematics
1 answer:
Pani-rosa [81]3 years ago
7 0

Answer:

The first one and the last one for Q1

Q2

a. 97.5

b. 0.4

Step-by-step explanation:

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Please help. I’ll mark you as brainliest if correct!!!
Dmitry [639]

Answer:

y = 745,000

Step-by-step explanation:

They are asking for the y intercept  (the original year)  

y = -2.07x^2 +78.39x +745

y is in thousands

Let x =0 years

y = -2.07 * 0 +78.39*0 +745

y = 745

y is in thousands

y = 745,000

5 0
3 years ago
Geometry A unit 5 transformations
zlopas [31]

Answer:the answer should be 25

Step-by-step explanation:

all your should be mulipty and get your answer

5 0
3 years ago
10. Weiming and Joyce intend to buy a present for Siti. Weiming agrees to pay at least twice as much as but at most $150 more th
djverab [1.8K]

The  required amount Weiming has to pay is given by the limit of $150

more than the amount Joyce has to pay.

Response:

  • The greatest amount Weiming has to pay is<u> $180</u>

<h3>Which method can be used to analyze the amount paid by Weiming and Joyce?</h3>

Amount Weiming agrees to pay ≥ 2 × Joyce agrees to pay

Amount Weiming agrees to pay ≤ 150 + Amount Joyce agrees to pay

Let <em>x</em> represent the amount Weiming agrees to pay, and let <em>y</em> represent

the amount Joyce agrees to pay, we have;

x + y = 210

x ≥ 2·y

x ≤ y + 150

When the amount Weiming is $150 more than Joyce, which is the

limiting amount for Weiming, we have;

x = y + 150

Which gives;

y + 150 + y = 210

2·y = 210 - 150 = 60

y = 60 ÷ 2 = 30

x = 30 + 150 = 180

Therefore;

  • The greatest amount Weiming has to pay is, x = <u> $180</u>

Learn more about inequalities here:

brainly.com/question/17882496

4 0
3 years ago
Read 2 more answers
10 years ago, the ratio of Jeremy's age to randy's age to Kadens's age was 4:3:1. The sum of their present age is 102. Find Rand
NemiM [27]

Answer:

Randy: 38.25

Step-by-step explanation:

J 4×12.75= 51

R 3×12.75= 38.25

K 1×12.75= 12.75

51+38.25+12.75=102

8 0
3 years ago
The equation cos (35 degree) equals StartFraction a Over 25 EndFraction can be used to find the length of Line segment B C. What
valentinak56 [21]

Incomplete Question the complete Question with figure is below.

Answer:

Therefore the length of line Segment BC is 20.5 in.

Step-by-step explanation:

Given:

In Right Angle Triangle ABC

∠C = 90°

∠B = 35°

BC = a

AB = hypotenuse = 25

\cos 35\°=\dfrac{a}{25}

To Find:

BC = ?

Solution:

In Right Angle Triangle ABC , Using Cosine Identity we get

\cos B = \dfrac{\textrm{side adjacent to angle B}}{Hypotenuse}\\

Substituting we get

\cos 35 = \dfrac{a}{25}\\\\a=25\times 0.8191=20.47\\\\a=20.5\ in

Therefore the length of line Segment BC is 20.5 in.

5 0
3 years ago
Read 2 more answers
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