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2 years ago

Help sorry for blur

Mathematics

1 answer:

liq [111]2 years ago

5 0

When the 2D figure is in the place then u rotate it even more

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Jane has a pre-paid cell phone with Splint. She can't remember the exact costs, but her plan has a monthly fee and a charge for

yan [13]

Answer:

The costs of the plan are $0.15 per minute and a monthly fee of $39

Step-by-step explanation:

Let

x ----> the number of minutes used

y ----> is the total cost

step 1

Find the slope of the linear equation

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have the ordered pairs

(100,54) and (660, 138)

substitute

$m=\frac{138-54}{660-100}$

$m=\frac{84}{560}=\$0.15\ per\ minute$

step 2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=0.15\\point\ (100,54)$

substitute

$y-54=0.15(x-100)$

step 3

Convert to slope intercept form

Isolate the variable y

$y-54=0.15x-15\\y=0.15x-15+54\\y=0.15x+39$

therefore

The costs of the plan are $0.15 per minute and a monthly fee of $39

6 0

3 years ago

What is a formula for the nth term of the given sequence? 15,75,375

spin [16.1K]

Answer:

3 × 5 ^ n

Step-by-step explanation:

since the series is exponential, the ratio between adjacent terms is 5.

nth term of geometric/exponential series is given by:

nth term = first term × (ratio)^(n-1)

= 15 × 5^ (n-1)

= 15 × 5^n × 5^-1

= 3× 5^n

7 0

2 years ago

The speed of light is about 3x10^8 m/s what is the speed of light in kilometers per hour

BigorU [14]

$3*10^8 \frac{m}{s} \\\\ 1m\to 10^{-3}km \\\\ 1s\to 36*10^{-4} h \\\\\\ 3*10^8* \frac{10^{-3}km}{36*10^{-4}s}= 10^8 * \frac{10^{-3}*10^4km}{12s}= \\\\ =10^8* \frac{10m}{12s}= \\\\ =10^8* 83*10^{-2} \frac{m}{s}=\\\\= \boxed{83*10^6 \frac{m}{s}}$

8 0

3 years ago

Read 2 more answers

C) Bhurashi can do 1/3 part of a work in 6 days.

Simora [160]

Answer:

Step-by-step explanation:

$\frac{1}{3}$ part of work can be done in 6 days.

Days taken to complete the whole work:

= 6 * 3

= 18 days

ii. Whole work will be done in 18 days.

So, 1 day work = $\frac{1}{18}$

iii. Work done in 9 days :

$\frac{1}{18} \times 9$

$= \frac{1}{2}$

So, remaining work :

$1 - \frac{1}{2}$

$= \frac{1 \times 2 - 1}{2}$

$= \frac{2 - 1}{2}$

$= \frac{1}{2}$ part of work

Hope this helps...

Good luck on your assignment..

8 0

3 years ago

Malik had two tests on Wednesday. On the science test, each question was worth 4 points. On the math test, each question was wor

Gre4nikov [31]

Answer:

Science Test

Step-by-step explanation:

If he missed 12 points on each test (-12) he missed 2 questions on the math test and 4 questions on the sceince test.

7 0

2 years ago