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kotykmax [81]
3 years ago
14

Use the equation to answer the question. x-10= 30 What value of x makes the equation true?

Mathematics
1 answer:
Igoryamba3 years ago
7 0

Answer:

C: 40

Step-by-step explanation:

40-10=30

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A submarine sandwich shop makes sandwiches with one kind of bread, one protein, one choice of cheese, and two vegetables. How ma
brilliants [131]

Answer:

480 different sandwiches

Step-by-step explanation:

To find how many sandwiches can be made, we need to find the number of possibilities for each choice: bread, protein, cheese, vegetables.

Bread: 3 types -> combination of 3 choose 1 -> 3

Protein: 4 types -> combination of 4 choose 1 -> 4

Cheese: 4 types -> combination of 4 choose 1 -> 4

Vegetables: 5 types -> combination of 5 choose 2 -> 5!/(3!*2!) = 5*4/2 = 10

So the number of different sandwiches is:

3 * 4 * 4 * 10 = 480

5 0
3 years ago
In mathematics, the nth harmonic number is defined to be 1 + 1/2 + 1/3 + 1/4 + ... + 1/n. so, the first harmonic number is 1, th
WITCHER [35]
<span>(1.0 + 1.0/2.0 + 1.0/3.0 + 1.0/4.0 + 1.0/5.0 + 1.0/6.0 + 1.0/7.0 + 1.0/8.0)</span>
3 0
4 years ago
What is the equation of the line that has a slope of 2 and passes through the point (2,9)?
jenyasd209 [6]

Answer:

D

Step-by-step explanation:

use the formula for point slope form, since all of your choices are in that form : y-y1=m(x-x1) (m is the slope)

we're given that m=2 and the point is (2,9)

Substitute into the equation

y-9=2(x-2)

That means that the answer is D

Hope this helps!

8 0
3 years ago
Given the sequence 34, 42, 50,58, 66.. find the recursive formula &amp; explicit formulas
Marizza181 [45]

Sequence: 34, 42, 50, 58, 66

Since the difference between consecutive terms is 8, we deduce it is an arithmetic sequence, the recursive formula would be:

a_n=a_{n-1}+8

Given that the first term is 34 and the common difference is 8, the explicit formula would be:

a_n=34+(n-1)\cdot8

7 0
1 year ago
Segment HK is 24 inches long.
Sunny_sXe [5.5K]
The longitude of segment HL is 12 inches because its the half of segment HK which is 24.
6 0
3 years ago
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