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Lunna [17]
3 years ago
10

10–{12–[(−9)+(−1)]}

Mathematics
2 answers:
Aloiza [94]3 years ago
5 0
I think it's 12 and if I'm wrong I'm sorry
Svetradugi [14.3K]3 years ago
3 0
10-(12-(-10))
10-22 (since there's two negatives by each other they turn into a positive)
Final answer: -12
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If AB=48 and BC=22, then AC=?
alexandr1967 [171]

If A, B and C are collinear, then

1) if B is between A and C:

AC = AB + BC

AC = 48 + 22 = 70

2) if C is between A and B:

AB = AC + BC

48 = AC + 22 |-22

AC = 26

3) if A is between B and C:

BC = AB + AC

22 = 48 + AC |-48

AC = - 26 < 0 FALSE

Answer:

if B is between A and C, then AC = 70

if C is between A and B, then AC = 26

4 0
3 years ago
Read 2 more answers
A credit card company requires that its customers choose a 3 digit, numerical code to access their online account. Each digit sh
Citrus2011 [14]

Given :

A credit card company requires that its customers choose a 3 digit.

Each digit should be chosen from 0, 1, 2, 3, 4, 5, 6, 7, 8 or 9.

So there are 10 possibilities for each digit.

To Find :

How many different three digit codes are there.

Solution :

We know, possibility of choosing each digit is 10.

So, total number of three digit codes are :

T=10\times 10\times 10\\\\T=1000

Therefore, their are 1000 different three digit codes.

Hence, this is the required solution.

4 0
3 years ago
SOMEBODY HELP MY FINAL GRADE DEPENDS ON IT THIS IS EASY I JUST FORGOT
netineya [11]

Answer:

76

Step-by-step explanation:

The sum of the angles of a triangle add to 180

40+ 3x+10 + 2x+20 = 180

Combine like terms

70 + 5x = 180

Subtract 70

70+5x-70 =180-70

5x = 110

Divide by 5

5x/5 = 110/5

x = 22

We want to find BCA

BCA = 3x+10

        = 3(22)+10

        = 66+10

         =76

3 0
3 years ago
Read 2 more answers
A box contains 20 cards numbered 1–20. You select a card. Without replacing the first card, you select a second card. Find P(1,
mezya [45]
Hi there!

First, you select a random card. You have a 1/20 chance of selecting any card. Then, without replacing the first card, you draw a second card. You have a 1/19 chance of selecting any card. In order to find the chance of both, you'll need to multiply the fractions together, giving you the 1/380 chance.

ANSWER:
Option 4 - 1/380


Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
8 0
4 years ago
8 ft
melomori [17]

The area of the trapezoid is 140 square feet

<h3>What are areas?</h3>

The area of a shape is the amount of space on that shape

<h3>How to determine the area of the trapezoid?</h3>

The dimensions of the trapezoid are given as:

Height = 10 feet

Parallel bases = 8 feet and 20 feet

The area of a trapezoid is calculated using

Area = 0.5 * (Sum of parallel bases) * Height

Substitute the known values in the above equation

Area = 0.5 * (8 + 20) * 10

Evaluate the equation

Area = 140

Hence, the area of the trapezoid is 140 square feet

Read more about areas at:

brainly.com/question/24487155

#SPJ1

5 0
2 years ago
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