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Stels [109]
3 years ago
7

Find the difference when -3n -7 is subtracted from n+4

Mathematics
2 answers:
umka2103 [35]3 years ago
8 0
Write out the subtraction in the proper order.  You subtract -3n-7 FROM n+4.  Thus, you must write n+4 FIRST.  Next, insert a subtraction sign (-), followed by (-3n-7).  MUST include those parentheses!

Here's what you should get:  n + 4 - (-3n-7).  Now remove the parentheses, changing signs where necessary:

n+4+3n+7.  combine like terms (that is, combine the "n" terms and then combine the two numerals 4 and 7.

Write out your final result below.

Vitek1552 [10]3 years ago
3 0
When you simplify it the answer is -4n-3 :)
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a sales clerk wants to make at least $519 . If he makes a base salary of $335 and $10.25 per hour at his part time job how many
Katen [24]

Answer:

50 hours

Step-by-step explanation:

50 hours because you have to divide 519 from 10.25 and doing all of that you will get 50

7 0
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Use the information in the table to find the constant rate<br> of change in dollars per hour
Debora [2.8K]

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Step-by-step explanation:

5 0
3 years ago
If you could please help, what is the missing answer?<br><br> Thank you to anyone who helps out!
ICE Princess25 [194]

Answer:

48

Step-by-step explanation:

let s be the snowman, g be the girl, and t be the christmas tree

2s+g=24

2t+2ts=132

3t+2g=26

subtract 2 times the first equation from the third one to get

3t-4s=-22

from the second equation we can deduce

2t(1+s)=132

t(1+s)=66

t=66/(1+s)

Substitute:

3(66)/(1+s)-4s=-22

3(66)/(1+s)=4s-22

3(66)=(4s-22)(1+s)

3(66)=-18s+4s^2-22

4s^2-18s-220=0

using the quadratic formula, we get s = 10, s = -5.5.

2(10)+g=24

g=4

2t(1+10)=132

2t=12

t=6

So 2s+t*g= 20+6*4=48

you would get a different solution for the negative s, but since snowmen cannot be negative, 48 is the answe.r

8 0
2 years ago
Could ΔABC be congruent to ΔADC by SSS? Explain.
Vera_Pavlovna [14]
There are 5 ways to test if two figures are congruent, namely;
side-angle-side(SAS)
Angle-side-angle (ASA)
Angle-angle-side(AAS)
Hypotenuse-leg (HL)
3 Sides (SSS)
here we shall focus on SSS. When the three corresponding sides of 2 figures say a triangle have the same length we will conclude that the triangles are congruent by SSS.
Therefore from our choices we can conclude that   triangles ABC and ADC are only congruent if the two other side have the same length and BC=DC.

The answer is yes;
B] Yes, but only if BC=DC
6 0
2 years ago
Read 2 more answers
PLEASE HELP ME I PUT A PICTURE WITH ALL POSSIBLE ANSWERS what is -22.2 x (-6.1)?
Montano1993 [528]

Answer:

D

Step-by-step explanation:

You just need to calculate it as usual. Might as well do in fraction form for clearer understandings

4 0
3 years ago
Read 2 more answers
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