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
Soloha48 [4]
3 years ago
11

Help quickly as possible thank you :) ​

Mathematics
2 answers:
STALIN [3.7K]3 years ago
5 0

Answer:

look at the picture, answer is there

Bas_tet [7]3 years ago
5 0

9514 1404 393

Answer:

  about 100 years

Step-by-step explanation:

2020 -1920 = 100

Outdoor lights were made safe about 100 years ago. (using information given in the problem statement)

_____

<em>Additional comment</em>

2020 -1930 = 90. So, the actual length of time is <em>between 90 and 100 years</em>.

Using additional research, we find mercury vapor lights were made to have a practical color in about 1929, so 91 years ago. They were invented somewhat before the 1920's but had a greenish color. Fluorescent phosphor coating was added in 1929 to make them produce a whiter light.

You might be interested in
You are going to have a birthday party and serve pizza. You plan to order pepperoni pizza
Ronch [10]

Answer:

70 pepperoni 30 sausage

Step-by-step explanation:

30 times 6 is 180

70 times 8 is 560

180 plus 560 is 740

5 0
2 years ago
Can someone help me with this?? explain if you would like
vova2212 [387]

Answer:

answer is 38 yd

Step-by-step explanation:

area of square =1444 yd^2

z^2=1444 yd^2

z=\sqrt{1444yd^2

z=38 yd

Hope this helps u!!

5 0
3 years ago
I WILL MARK YOU BRAINLYEST if you answer all of my problems !!!!!!!!!!!
sweet-ann [11.9K]
1) you can buy 6 candy bars because $5.10 / $0.85 =
6.
To check: 6*0.85=5.10

2) you can find the answer by adding 3 to 12. 3+12=15 n=15 and it said n can be greater than or equal so
N(greater than or equal to sign) 15.
To check: 15-3=12
12=12
16-3>12
13>12

7) x-7=12
+7 +7
X=19
To check: 19-7=12
12=12

8) y/8=7
*8 *8
Y= 56
To check: 56/8=7
7=7

9) 10-4x=6x
+4x +4x
10=10x
/10 /10
X=1
To check: 10-4(1)=6(1)
10-4=6
6=6


Hope this helped!
3 0
3 years ago
How would you graph f(x) = 7x + 5 when you reflect it over y axis and translate it 3 units left
SOVA2 [1]

Answer:

See explanation

Step-by-step explanation:

Given the function f(x)=7x+5

1. To reflect the graph of the function f(x) over the y-axis, you should change the slope of the line in opposite. The slope of the function f(x) is 7, so the slope of the reflected function will be -7 and the expression of the reflected function will be

g(x)=-7x+5

2. To translate the function g(x) 3 units left, add 3 units to x, thus the expression for the function will be

h(x)=-7(x+3)+5\\ \\h(x)=-7x-21+5\\ \\h(x)=-7x-16

See attached diagram for details.

8 0
3 years ago
Assume that lines that appear to be tangent are tangent. O is the center of the circle. What is the value of x?
Mashcka [7]

9514 1404 393

Answer:

  x = 20, or 125

Step-by-step explanation:

We cannot tell the angle x is intended to refer to. So, here are two answers. Choose the one you think applies.

__

The triangle that includes both marked angles is a right triangle. (The tangent meets the circle at right angles to the radius.) So, the angle x° at the external point is the complement of the marked central angle.

  x° = 90° -70°

  x = 20

__

If x° is referring to the exterior angle associated with the isosceles triangle within the circle, then its measure is the supplement of the interior base angle of that triangle. It is ...

  x° = 180° -(180° -70°)/2 = 90° +70°/2

  x = 125

5 0
3 years ago
Other questions:
  • The surface area of a rectangular prism is 396 ft2.
    13·1 answer
  • Write each expression in quadratic form, if possible..<br><br> 5X^4 + 2X^2 - 8
    6·1 answer
  • How many months of the year have 28 days??
    14·1 answer
  • Solve the following system of equations by substitution and select the correct answer below:
    15·2 answers
  • Twenty percent of the students in a class of 100 are planning to go to graduate school. The standard deviation of this binomial
    6·1 answer
  • Find the percent of the number 25% 0f 80= what? please help :)
    12·2 answers
  • Which substitution method should be the best used to solve which system of equations
    14·1 answer
  • ANSWER ASAP PLEASEEE
    10·1 answer
  • Really need big help on this one please
    13·1 answer
  • Peter baked 18 cookies. He gave 2/3 of the cookies to his friend. How many cookies did Peter give to his friend
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!