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nlexa [21]
4 years ago
10

evaluate the expression 9(a 2b) c for a = –3, b = –2, and c = 1. i kept getting the answer of 10 but it's not one of my choices

a. -62 b. -91 c. 46 d. 64
Mathematics
1 answer:
den301095 [7]4 years ago
7 0
What grade are u? I'm just asking cause the formulas are going with grade I could help if u want me too
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What is another name for the input of a function?
True [87]

Answer:

A symbol that stands for an arbitrary input is called an independent variable, while a symbol that stands for an arbitrary output is called a dependent variable. The most common symbol for the input is x, and the most common symbol for the output is y; the function itself is commonly written .

Step-by-step explanation:

3 0
4 years ago
Calculate the value of c in the triangle
xxMikexx [17]

Answer: c=50

Step-by-step explanation:

For this you need to use Pythagorean Theroem, which is c=√a^2+b^2

c=√48^2+14^2

c=√2304+196

c=√2500

c=50

Now you know the answer as well as the formula. Hope this helps, have a BLESSED AND WONDERFUL DAY!

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5 0
3 years ago
Jillian has a doctor appointment at 10:20 a.M. If she takes 1 hour and 25 minutes to shower and dress, 25 minutes to eat breakfa
torisob [31]

Answer:

she wake up at 8:00 AM

Step-by-step explanation:

The time she should wake up is

If she takes 1 hour and 25 minutes for shower & dress

25 minutes for breakfast

30 minutes to drive

So total time she takes 140 minutes i.e. 2 hours 20 minutes

So she wake up at 8:00 AM

The same would be considered

8 0
3 years ago
a jet bomber traveling 500 mph arrived over its Target at the same time as its fighter jet escorted which left the same fate 2.5
vlada-n [284]

Since the jet bomber arrived over its Target at the same time as its fighter jet escorted, it took the jet bomber 0.34 h to reach the target.

<h3 />

To find the number of hours, we need to solve simultaneous equations.

<h3>What are simultaneous equations?</h3>

Simultaneous equations are pair of equations which contain two unknowns.

<h3>How to calculate the number of hours the bomber jet took off?</h3>

Let

  • D = distance travelled by both bomber jet and fighter jet.
  • t = time bomber jet took off
  • v = speed of bomber jet.
  • T = time fighter jet took off and
  • V = speed of fighter jet.

So, D = vt

D = 500t  (1)

Also, D = VT

D = 60T  (2)

Since  jet bomber traveling 500 mph arrived over its Target at the same time as its fighter jet escorted which left the same fate 2.5 hours after the bomb took off.

T = t + 2.5

So, D = 60(t + 2.5)  (3)

<h3>The required simultaneous equations</h3>

D = 500t  (1)

D = 60(t + 2.5)  (3)

Equating equations (1) and (3), we have

500t = 60(t + 2.5)

500t = 60t + 150

500t - 60t = 150

440t = 150

t = 150/440

t = 15/44

t = 0.34 h

So, it took the jet bomber 0.34 hours to reach the target.

Learn more about simultaneous equations here:

brainly.com/question/27829171

#SPJ1

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2 years ago
Which equation is correct regarding the measure of
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