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Stells [14]
3 years ago
11

What is the value of this expression when g=-3.5?

Mathematics
1 answer:
Lady_Fox [76]3 years ago
3 0

Answer:

The value of the expression 8 - I2g - 5I is -4 ⇒ D

Step-by-step explanation:

The absolute value always gives a positive value IaI = a and I-aI = a

Let us solve the question

∵ The expression is 8 - I2g - 5I

∵ The value of g is g = -3.5

→ To find the value of the expression substitute g by -3.5

∵ 8 - I2g - 5I = 8 - I2(-3.5) - 5I

∴ 8 - I2g - 5I = 8 - I-7 - 5I

∴ 8 - I2g - 5I = 8 - I-12I

→ By using the rule above

∵ I-12I = 12

∴ 8 - I2g - 5I = 8 - 12

∴ 8 - I2g - 5I = -4

∴ The value of the expression 8 - I2g - 5I is -4

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Who reads at the same rate?
matrenka [14]

Answer:

<em>Alexis and Jon reads at the same rate, 0.67 page by min</em>

Step-by-step explanation:

Rate Alexis = 30/45 pages/min = 0.67 page by min

Rate Jon = 40/60 pages/min = 0.67 page by min

Rate Sal = 45/90 = 0.5 page by min

Rate Andre = 15/25 = 0.6 page by min

Then

Alexis and Jon reads at the same rate, 0.67 page by min

Best regards

7 0
3 years ago
Fairview High School has a total of 92 boys and girls who play sports. If the number of boys is 17 more than twice the number of
MaRussiya [10]
Girls = x
boys = y

y = 92 - x
y = 17 + 2x

y = 92 - x
-y= -17 - 2x
0 = 75 - 3x
3x = 75
x = 25

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y = 92 - 25
y = 67

67 boys play sports at the school


8 0
3 years ago
PLEASE HELP FAST ITS TIMED I BEGGING YOU I PROMISE I WILL GVOE BRSINLIST FOR CORRECT ANSWER
Bezzdna [24]

Answer:

d) 4

For the second question, just plug in the x value and isolate the y value

Step-by-step explanation:

1. 9y=36-13x

y=4-13/9 x

4 is the y-intercept

6 0
3 years ago
Read 2 more answers
Nikki can drive her car 22 miles on each gallon of gasoline. If Nikki drives m miles, which expression represents the number of
agasfer [191]

The expression represents the number of gallons used is m/22.

Given

Nikki can drive her car 22 miles on each gallon of gasoline.

<h3>What is the unit rate?</h3>

A rate is a ratio that is used for comparing two different kinds of quantities which have different units.

To find the number of gallons used we will divide the total distance traveled by distance traveled in one gallon.

Therefore,

If Nikki drives m miles, the expression represents the number of gallons used is;

\rm \text{Number of gallons used}=\dfrac{Total \ travled \ distance}{Distance \ traved \ in \ one \ unit}

\rm \text{Number of gallons used}=\dfrac{m}{22}

Hence, the expression represents the number of gallons used is m/22.

To know more about the Unit rate click the link given below.

brainly.com/question/11258929

6 0
3 years ago
Read 2 more answers
HELP PLEASE is this correct?
SVETLANKA909090 [29]
No it’s not right one point would be on at (0,-1) the other point would be at (0, 0.5)
6 0
3 years ago
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