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3 years ago

What is the answer for 8(6x + 8)

Mathematics

2 answers:

rosijanka [135]3 years ago

8 0

Answer:

42x+64

Step-by-step explanation:

Marizza181 [45]3 years ago

6 0

Answer:

48x+64

Step-by-step explanation:

8 (6x+8)

To expand this, first multiply 8 by 6x and then add the product of 8 and 8

8 × 6x +(8×8)

=48x + 64

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A roller coaster rises 400 feet, drops 90 feet, rises 100 feet, and drops 200 feet. Describe the final height of the roller coas

lutik1710 [3]

Answer:

210 feet

Step-by-step explanation:

Lets say we start at 0 feet

Now all we gotta do is treat rising as addition and dropping as subtraction

0 + 400 = 400 - 90 = 310 + 100 = 410 - 200 = 210

Therefore your final height is 210. If you need further explanation just ask

A diagram is attached if you're still confused (Sorry about the quality, lightshot does not do curves well)

4 0

2 years ago

TSolve the system of equations below by graphing. What is the solution rounded to the nearest tenth? (–1.1, 3.2) (0.2, 2.8) (0.7

igor_vitrenko [27]

Answer: Answer:The solution to the given system of equations is (2.8,0.1)

Step-by-step explanation: I got it correct on the Unit Test

4 0

2 years ago

Read 2 more answers

A school committee consists of 2 teachers and 4 students. The number of different committees that can be formed from 5 teachers

Nata [24]

Option C

2100 different committees that can be formed from 5 teachers and 10 students

Solution:

A school committee consists of 2 teachers and 4 students

The number of different committees that can be formed from 5 teachers and 10 students is to be found

This is a combination problem

A combination is a selection of all or part of a set of objects, without regard to the order in which objects are selected

The formula to calculate combinations is:

$n C_{r}=\frac{n !}{r !(n-r) !}$

where n represents the number of items, and r represents the number of items being chosen at a time

Here we have to choose 2 teacher from 5 teacher and 4 student from 10 student

Hence we get,

Number of committees = $5C_2 \times 10C_4$

$\begin{aligned}&5 C_{2} \times 10 C_{4}=\frac{5 !}{2 !(5-2) !} \times \frac{10 !}{4 !(10-4) !}\\\\&5 C_{2} \times 10 C_{4}=\frac{5 !}{2 ! \times 3 !} \times \frac{10 !}{4 ! \times 6 !}\end{aligned}$

To get the factorial of a number n the given formula is used,

$n !=n \times(n-1) \times(n-2) \ldots \times 2 \times 1$

Therefore,

$5 C_{2} \times 10 C_{4}=\frac{5 \times 4 \times 3 \times 2 \times 1}{2 \times 1 \times 3 \times 2 \times 1} \times \frac{10 \times 9 \times \ldots . \times 2 \times 1}{4 \times 3 \times 2 \times 1 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1}$