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lana [24]
3 years ago
12

The museum gives tours to students in groups of 7.Four fifth grade classes are going to the museum.There are 20 students in each

class,but 3 students were absent today.The museum needs to determine the number of your groups.Select true or False for each statement.
The expression (5×20-3)÷7 can be used to find the number of groups.True or False

The expression (4×20-3)÷7 can be used to find the number of groups. True or False

There will be 11 tour groups. True or False

There will be 77 tour groups. True or False
Mathematics
1 answer:
Alex73 [517]3 years ago
6 0
The expression (5×20-3)÷7 can be used to find the number of groups.
False

The expression (4×20-3)÷7 can be used to find the number of groups.
True

There will be 11 tour groups.
True

There will be 77 tour groups.
False

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Elenna [48]
X is pretzels and y is hot dogs
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3 years ago
Please help me with this question
Wittaler [7]

Answer:

x = 8

Step-by-step explanation:

Since < A and < B are vertical angles, then it means that they have the same measure.

Given that m < A = (3x - 21)°, and m < B = (2x - 13)°:

We can set up the following equation to solve for the value of x:

m < A  = m < B

(3x - 21)° = (2x - 13)°

3x - 21 = 2x - 13

Subtract 2x from both sides:

3x - 2x - 21 = 2x - 2x - 13

x - 21 = -13

Add 21 to both sides to isolate and solve for the value of x:

x - 21 + 21 = -13 + 21

x = 8

We must verify if we have the correct value for x by plugging in 8 into the equality statement:

(3x - 21)° = (2x - 13)°

[3(8) - 21]° = [2(8) - 13]°

(24 - 21)° = (16 - 13)°

3° = 3° (True statement. This means that we have the correct value for x).

Therefore, the value of x = 8.

Please mark my answers as the Brainliest, if you find this solution helpful :)

7 0
2 years ago
Find f (-3) if f(x) = x^2
xz_007 [3.2K]

Konichiwa~! My name is Zalgo and I am here to help you out today. If f were to equal -3, first we need to put -3 into the equation. It would look like "f(-3)=x^2". The answer to that equation is 9.

I hope that this helps! :T

"Stay Brainly and stay proud!" - Zalgo

8 0
3 years ago
Sasha hikes into a canyon. She takes a break at the rest stations every 23 of a mile she descends.
katrin [286]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Point A is located at (0, 4), and point B is located at (−2, −3). Find the point that is 1 over 4 the distance from point A to p
aleksandrvk [35]

Solution

Find the mid point of A and B.

The mid point of A and B is (-1. 0.5)

Now find mid point of (0, 4) and (-1, 0.5)

= [(0 + (-1)/2 , (4 +0.5)/2 ]

= (-1/2, 4.5/2)

= (-0.5, 2.25)

The answer is (-0.5, 2.25)


Thank you.

6 0
3 years ago
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