All categories

2 years ago

If u help me with this question you are amazing ❤️❤️

Mathematics

1 answer:

madreJ [45]2 years ago

7 0

Answer:

the answer is A 90+0.25x=147.50

Step-by-step explanation:

if this is useful please make me brainliest

You might be interested in

Find the range. 83, 71, 62, 86, 90, 95, 61, 60, 87, 72, 95, 74, 82, 54, 99, 62, 78, 76, 84, 92

galina1969 [7]

Answer: 45

Step-by-step explanation: The range is the difference between the greatest number in the data set and the least number in the data set which in this case is 99 - 54 or 45. So the range of this data set is 45.

6 0

2 years ago

Read 2 more answers

Here are the scores of 17 students on a history test. 62, 65, 66, 67, 67, 76, 77, 78, 79, 80, 86, 88, 88, 89, 90, 91, 92 Notice

creativ13 [48]

I added a picture with it for you. I suggest that before this becomes an issue you take some time and study box and whisker plots, because they tend to show up on a lot of standardized math tests.

8 0

2 years ago

Tabitha measures the thickness of each of three different stacks of paper. 19.21 in.7.8 in.13.376 in. what is the total thicknes

Schach [20]

Your answer would be 40.386in.

7 0

3 years ago

Read 2 more answers

Lenny is 3 times older than Max. When you subtract Max's age from lenny's age, you get 24. How old is Lenny and how old is max?

Helga [31]

Let Max be $x$ years.

Then Lenny is $3x$ years

When we subtract Max's age from Lenny's age we obtain $3x-x$

This is equal to $24$

Putting all together we have

$3x-x=24$

$2x=24$

$x=12$

$Therefore Max is 12 years and Lenny is 36 years$

8 0

2 years ago

Find the sum of a finite geometric sequence from n = 1 to n = 7, using the expression −4(6)n − 1.

Verizon [17]

Answer:

Step-by-step explanation:

The formula of a sum of terms of a gometric sequence:

$S_n=a_1\cdot\dfrac{1-r^n}{1-r}$

a₁ - first term

r - common ratio

We have

$a_n=-4(6)^{n-1}$

Calculate a₁. Put n = 1:

$a_1=-4(6)^{1-1}=-4(6)^0=-4(1)=-4$

Calculate the common ratio:

$r=\dfrac{a_{n+1}}{a_n}\\\\a_{n+1}=-4(6)^{n+1-1}=-4(6)^n\\\\r=\dfrac{-4(6)^n}{-4(6)^{n-1}}=6^n:6^{n-1}\\\\\text{use}\ a^n:a^m=a^{n-m}\\\\r=6^{n-(n-1)}=6^{n-n+1}=6^1=6$

$\text{Substitute}\ a_1=-4,\ n=7,\ r=6:\\\\S_7=-4\cdot\dfrac{1-6^7}{1-6}=-4\cdot\dfrac{1-279936}{-5}=-4\cdot\dfrac{-279935}{-5}=(-4)(55987)\\\\S_7=-223948$

7 0

3 years ago