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4 years ago

QUESTION 3

Mathematics

1 answer:

eduard4 years ago

3 0

Athe answer is -2 because it is behind the 0 and will be negative and it is two lines away from the 0 so the answer is -2

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Colin got 16 out of 80 correct in his test. What fraction of the marks did he get correct? Give your answer in its simplest form

expeople1 [14]

Answer:

16/80=8/40

8/40=4/20

4/20=2/10

2/10=1/5

1/5

6 0

3 years ago

Read 2 more answers

Find a rectangular equation. X = 3tan t, Y = 2sec t, for in (−π /2 , π /2 )

anzhelika [568]

Answer:

Step-by-step explanation:

$x= 3tan(t) \rightarrow tan(t) = \frac{x}{3} \rightarrow tan^2(t) = \frac{x^2}{9}$

$y= 2sec(t) \rightarrow sec(t) = \frac{y}{2} \rightarrow sec^2(t) = \frac{y^2}{4}$

$sec^2(t) -tan^2(t) =1$

$\frac{y^2}{4} -\frac{x^2}{9} =1$

is the rectangular equation of the parameter functions.

also, it is a hyperbola. The condition $-\pi/2 < t$ limit x from 0 to infinitive

7 0

4 years ago

Pls help me do this question but pls don't get it wrong this is my attempt

alisha [4.7K]

Answer: (c)

Step-by-step explanation:

Given

The function is $y=-x^2+6x-4$

Range of a function describes the values y can take

from the graph it is clear that the maximum value of y is 5

$\therefore y\leq5$

Hence. option (c) is correct.

5 0

3 years ago

Write a sentence with a perso in it for this. 2n + 4 = 24

RideAnS [48]

Josh has (n) amount of candy. He found 4 more pieces of candy on his kitchen counter. Josh counted his total pieces of candy and figured out he has 24 total pieces.

Hope I helped have a wonderful day...

5 0

3 years ago

HELP!! I need it as fast as possible!! Whoever answers it first and is right gets Brainliest and 100 points!!! Help as soon as p

olga55 [171]

Investment of $3000 at 16% simple interest for 2 years

Investment of $3000 at 5% simple interest for 20 years

Investment of $1000 at 16% simple interest for 20 years

Solution:

(1) Investment of $3000 at 5% simple interest for 20 years

$$\text{Simple interest}=\frac{PRT}{100}$

$$=\frac{3000\times5\times20}{100}$

$$=3000$

Simple interest 1 = $3000

(2) Investment of $3000 at 16% simple interest for 2 years

$$\text{Simple interest}=\frac{PRT}{100}$

$$=\frac{3000\times16\times2}{100}$

$$=960$

Simple interest 1 = $960

(3) Investment of $1000 at 16% simple interest for 20 years

$$\text{Simple interest}=\frac{PRT}{100}$

$$=\frac{1000\times16\times20}{100}$

$$=3200$

Simple interest 1 = $3200

Order from least interest amount to greatest interest amount:

$960 < $3000 < $3200

Investment of $3000 at 16% simple interest for 2 years

Investment of $3000 at 5% simple interest for 20 years

Investment of $1000 at 16% simple interest for 20 years

8 0

3 years ago