1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vekshin1
3 years ago
7

Mr. Lin writes the expressions

Mathematics
1 answer:
Nady [450]3 years ago
3 0

Answer:

Just see that the first expression has all negative, meaning the total will be a negative, but the second expression the subtraction sign and the negative sign are together, there's a rule when two negative sign's are together/next to each other, they turn into a addition sign, so it basically 8 + 20 for the second expression, so 8-(-20) has a higher result

Step-by-step explanation:

There's no work needed to be done :P

You might be interested in
Factor out the GCF for 21x^3y^2 - 7x^2y + 42xy
Phantasy [73]
 Factor out the GCF<span>: </span>21x3y2<span> - 7x2y + </span>42xy<span> 5.)</span>Factor: 3x2 ... 4) 21x^3y^2-7x^2y+42xy<span> It looks as though x and y are common and 7 is common

</span>
6 0
4 years ago
For what values of a is the distance between P(a,3) and Q(5,2a) greater than √26
Novay_Z [31]
P(a,3)\ \ \ Q(5,2a)\\\\ PQ=\sqrt{(x_Q-x_P)^2+(y_Q-y_P)^2}\\\\ PQ>\sqrt{26}\\\\\sqrt{(5-a)^2+(2a-3)^2}>\sqrt{26}\\\\\sqrt{25-10a+a^2+4a^2-12a+9}>\sqrt{26}\\\\\sqrt{5a^2-22a+34}>\sqrt{26}\ \ |^{2}\\\\&#10;5a^2-22a+34=26\ \ \ |Subtract\ 26\\\\&#10;5a^2-22a+8=0\ \ \ |Factoring\\\\(a-4)(5a-2)=0\\\\&#10;a=4\ \  or\ \  5a=2\\&#10;a=4\ \ or\ \ a=\frac{2}{5}
6 0
4 years ago
Use the given conditions to write an equation for the line passing through (-8,8) and parallel to the line whose equation is 5x-
Leni [432]

5x - 8y + 104 = 0 is a linear equation passing through (-8 , 8) and parallel to the line whose equation is 5x - 8y - 7 = 0.

First, for two equations of line to be parallel with each other, their slope must be equal.

Transforming the given equation into slope-intercept form, y = mx + b:

5x - 8y - 7 = 0

8y = 5x - 7

y = 5/8 x - 7/8

m = 5/8

Hence, the slope of our equation should also be 5/8.

Using the again the slope intercept form, solve for b.

y = mx + b

where m = 5/8, x = -8 and y = 8

8 = 5/8 (-8) + b

8 = -5 + b

b = 13

With m= 5/8 and y-intercept, b = 13, the equation of our line is

y = mx + b

y = 5/8 x + 13

Multiplying both sides by 8,

8y = 5x + 104

5x - 8y + 104 = 0

To know more about equation of line, brainly.com/question/13763238.

#SPJ4

3 0
1 year ago
What is the domain and range?
Pie

Answer:

Domain: {-6, -2, -1, 1, 3, 6}

Range: {-6, -2, -1, 0, 3}

Step-by-step explanation:

to find the domain of a function, you look at all the possible x-values. this means you look at all the points, and see what their x-values are.

for example, the first point on the left is at (-6, -1). this means that -6 is in the domain. continue doing this for all the points, and you get {-6, -2, -1, 1, 3, 6}

to find the range of a function, it's just like domain but with y-values.

for example, for the leftmost point, it's at (-6, -1) so -1 is part of the range. continuing this with all the points, you get {-6, -2, -1, 0, 3}

5 0
2 years ago
What is the scale factor from triangle WHB to triangle RVM
Studentka2010 [4]

Answer:

.5

Step-by-step explanation:

Going from WHB to RVM means that we need the number to multiply by to get to RVM, the smaller triangle.

Multiplying by .5 is the same as dividing by 2.

20 x .5 = 10

16 x .5 = 8

12 x .5 = 6

4 0
3 years ago
Other questions:
  • 18x^2+69x+60 Factor the expression
    9·1 answer
  • WILL GIVE A BRAINLEST
    5·2 answers
  • Number 19 please ???
    6·1 answer
  • Jacob wants to use an elevator to carry identical packages having the same weight. Each package weighs 3 pounds and Jacob weighs
    10·2 answers
  • Helppp please reallly fasttt!!!
    14·1 answer
  • Help me plzzzzzz!!!!!
    6·1 answer
  • Plzz HELPP I'll give brainlist
    8·1 answer
  • Rewrite the following equation in exponential form.<br> log49 (7)=1/2
    6·1 answer
  • Question is in picture (9th grade algebra 1)
    11·1 answer
  • Bob owns some DVDs. He owns 8 comedies, 5 animated movies, and 7 action movies. What is the ratio of comedies to the total numbe
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!