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
Roman55 [17]
3 years ago
15

Need help with this?

Mathematics
2 answers:
Julli [10]3 years ago
7 0

Answer:

It's b, 45 degrees

Step-by-step explanation:

1) 180-90 = 90

20 90 divided by 2 = 45

dmitriy555 [2]3 years ago
5 0

Answer:

45 degrees

Step-by-step explanation:

There are 180 degrees in a triangle, so

x + y + 90 = 180.

But x = y so we can write 2x + 90 = 180.

2x = 180 - 90

2x = 90

x = 45


You might be interested in
A shop recorded total sales of $2,000 on Monday. On Tuesday, its sales fell by 10%. On Wednesday, sales fell by another 20% comp
PIT_PIT [208]

Answer:

"Decrease of 60 dollars"

Step-by-step explanation:

<u>Sales</u>

Monday = 2000

Tuesday = 10% less = 2000*0.9 = 1800

Wednesday = 20% less = 1800 (0.8) = 1440

Thursday =

25% of Monday = 25% * 2000 = 500

Sales increased by 500 on Thursday compared to Wednesday. So Sales were:

1440 + 500 = 1940

So, compared to Monday (2000) , thursday's sales was $60 less

7 0
3 years ago
Read 2 more answers
I need help with this. I don’t understand it. Please help.
Y_Kistochka [10]

Step-by-step explanation:

<h2>please mark me as brainlist please I 2731 ans in simplified </h2>

7 0
3 years ago
Read 2 more answers
Given the quadratic equation ² + + = 0 where , , are real numbers and ≠ 0, which of the following is the sum of its roots? *
Morgarella [4.7K]

Answer:

Here is a more clearer version of the same question ;

29 1.2. Constructing Direct Proofs 1. Let a, b, and c be real numbers with a 0. The solutions of the quadratic equation ax 2 + bx + c = 0 are given by the quadratic formula, which states that the solutions are xi and x2. where and x2 2a 2a (a) Prove that the sum of the two solutions of the quadratic equation ax2 + bx + c = 0 is equal to -b/a . (b) Prove that the product of the two solutions of the quadratic equation ax2 + bx + c = 0 is equal to c/a.

The proving of both a) and b) has been done

Step-by-step explanation:

The step by step explanation has been given in the attachment below.

Step-by-step explanation:

4 0
3 years ago
8x(12+7-9)-(4+10) what’s the answer
navik [9.2K]

Equation- 8x(12+7-9)-(4+10)

Answer- 80x−14

6 0
2 years ago
A backyard is 40.5 feet long and 25 feet wide. In order to install a pool, the yard needs to be reduced by a scale of One-third.
gtnhenbr [62]

Answer:

112.5

Step-by-step explanation:

plz mark me brainlest if its correct lol

7 0
3 years ago
Read 2 more answers
Other questions:
  • Describe the steps you used to solve the equation and find the amount of Carrie’s allowance. Linear equation: 1/4a + 1/3a + 8 =
    12·1 answer
  • Pweez take a look &lt;3 PLEASEEEEEEEEEE
    14·2 answers
  • 7x^2-16x-28=0, what’s the answer
    15·1 answer
  • Gabby and Sydney bought some pens (x) and pencils (y) gabby bought 4 pens and 5 pencils she spent$6.71 Sydney bought 5 pens and
    11·1 answer
  • What is the volume of a pyramid whose base is a square of area 36 and whose four faces are equilateral triangles?
    5·1 answer
  • Cual es el 15% de 36000?
    13·1 answer
  • Please help with math i will give 30 points! after u help bc i get scammed...like a lot ;/
    8·2 answers
  • Rewrite 0.1 as a simplified fraction
    8·1 answer
  • Herby is a corn farmer in lowa who likes to track the growth of his crops. At various times Herby will go
    5·1 answer
  • I still dont understand slope can someone help?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!