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sertanlavr [38]
3 years ago
7

Write a variable expression to represent the phrase. The difference of a number and 1

Mathematics
1 answer:
umka2103 [35]3 years ago
4 0

Answer:

x-1

Step-by-step explanation:

Hi there!

Let x represent "the number".

The difference of a number and 1

⇒ x-1

I hope this helps!

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Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-response question.
SpyIntel [72]

Let

x------> the number of multiple choice question

y------> the number of free response question

we know that

3x+8y=55 -----> equation A

x+y=15

x=15-y -----> equation B

Substitute equation B in equation A

3[15-y]+8y=55

45-3y+8y=55

5y=55-45

5y=10

y=2

Find the value of x

x=15-y

x=15-2=13

therefore

<u>the answer is</u>

the number of multiple choice question are 13

the number of free response question are 2

5 0
3 years ago
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What is the slope intercept form of the equation Y -7 equals -5 / 2 (x + 4 )
Sindrei [870]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Consider two circular swimming pools. Pool A has a radius of 48 feet, and Pool B has a diameter of 29.46 meters. Complete the de
Ber [7]

Answer: pool B has a greater circumference.

Step-by-step explanation:

The formula for determining the circumference if a circle is expressed as

Circumference = 2πr

Where

r represents the radius of the circle.

π is a constant whose value is 3.14

Pool A has a radius of 48 feet.

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48 feet = 48 × 0.305 = 14.64 meters

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Pool B has a diameter of 29.46 meters. Radius = diameter/2

Radius of pool B = 29.46/2 = 14.73 meters

The circumference of pool B is

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Therefore, pool B has a greater circumference.

7 0
3 years ago
The measure of two angles are shown in the
madam [21]

Answer:

The measure of two angles are shown in the diagram. 4x - 11 2x + 5 Which equation can be used to find the value of x? A. 6x - 6 = 180 X. 6 x + 64 = 180 B. 6x - 6 = 360 D. 6x + 84 = 180

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7 0
3 years ago
I need help on question number 1!!!
Tju [1.3M]
B 5 makes the most sense to me
8 0
3 years ago
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