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
Vika [28.1K]
3 years ago
8

Which statements about a square are always true?

Mathematics
1 answer:
Ulleksa [173]3 years ago
5 0
It has 4 congruent sides.
All 4 angles are 90°.
Its diagonals are congruent.
You might be interested in
What is the slope-intercept equation<br> for the following line?
Orlov [11]

Answer:

y=2x+7

Step-by-step explanation:

5 0
2 years ago
Please Help ASAP. Thanks.
musickatia [10]

Answer:

a = 2

Step-by-step explanation:

If M is the midpoint, 1/2 of FG = FM since FG is the whole length.

FG = 14a + 1

1/2 FG = 1/2(14a + 1)

1/2 FG = 7a + 1/2

The length of the segment FM = 14.5 and that is the same length as 1/2 FG

7a + 1/2 = 14.5

1/2 = 0.5

7a + 0.5 = 14.5        Subtract 0.5 from both sides

7a = 14.5 - 0.5

7a = 14                     Divide by 7

a = 14/7

a = 2

6 0
3 years ago
The original price of the DVD is nine dollars the sale price is 80% of the price what is the sale price of the DVD?
Vilka [71]
Let's rewrite the information then figure out the answer. 

DVD: $9.00 originally but on sale with an 80% discount. 
80%=0.80
9.00(0.80) = $7.20
$9.00 - $7.20 = $1.80

Thus, the sales price is: $1.80
3 0
3 years ago
Read 2 more answers
Janice receives $.40 per pound for 1 to 99 pounds of aluminum cans he recycles. he receives $.50 per pound if you are cycles mor
Ilya [14]

Answer:

M=\left\{\begin{matrix}0.4x &x\leq99 \\ 0.5x &x>100 \\ \end{matrix}\right.

Step-by-step explanation:

<u>Function modeling</u>

Real-life situations often require the help of mathematics to model numerically what happens when the variables involved can change. It could even be used to predict some expected outcomes from those models.

The problem states Janice receives $.40 per pound when he recycles less or equal than 99 pounds of aluminum. If x is the number of recycled pounds, then the amount of money he receives is

M=0.4x

We also know that if he recycles more than 100 pounds of aluminum, the pay increases to $0.5 per pound. In that case, the amount of money is

M=0.5x

This is a case where the function is defined differently depending on the conditions of the input variable x. It's called a piecewise function. The function can be written as

M=\left\{\begin{matrix}0.4x &x\leq99 \\ 0.5x &x>100 \\ \end{matrix}\right.

Note the function is not well constructed because there is a gap for x=100 where M is not defined. If we establish that for 100 pounds the payment is $0.5, then the second piece would include x=100

5 0
3 years ago
The point (5, −2) is on the terminal ray of angle θ, which is in standard position. Without evaluating, explain how you would fi
Anni [7]
1. Check the picture attached.

let P, M, N be the points :P(5, -2), M(5, 0), N(0, -2)

ABP is the angle with measure ∅, where BA is the initial ray and BP the terminal ray.

2. m(PNM)=∅ as can be easily checked

In triangle PNM, NP=5, PM=2 and NM=\sqrt{ 5^{2} + 2^{2} }= \sqrt{25+4}= \sqrt{29} units


3. let opp=opposite side, adj=adjecent side, hyp=hypothenuse

sin ∅ = opp/hyp=\frac{2}{\sqrt{29}}

cos ∅ = adj/hyp=\frac{5}{\sqrt{29}}

tan ∅ = opp/adj=2/5

cot ∅ = adj/opp=5/2

sec ∅ = hyp/adj=\frac{\sqrt{29}}{5}

csc ∅ = hyp/opp=\frac{\sqrt{29}}{2}

4 0
4 years ago
Read 2 more answers
Other questions:
  • On a map of downtown Lineville, 12th Street is perpendicular to Avenue J. The equation y = -4x + 3 represents 12th Street. What
    9·1 answer
  • How can 3.7=x+(-5) be solved for x in one step?Add 3.7 to both sides .Add 5 to both sides. Subtract 3.7 from both sides Subtract
    15·2 answers
  • the cost c in dollars for the care and maintenance of a horse and carriage is c= 15x+2000, where x is the number of rides. they
    9·1 answer
  • Ariel also has a collection of coins. Her collection is worth $4.80. She has nickels, dimes, and
    14·1 answer
  • Given cos x =12/13 And sin x = 5/13<br> what is ratio for tan x
    9·2 answers
  • Problem
    10·1 answer
  • Gunther used 3 3/5 pints of blue paint and 2 1/10 pints of yellow paint to make a mural.
    9·1 answer
  • A train travels with a constant speed of 88 km/h. How far can it travel in 3 hours??? PLEASE HELPP
    10·1 answer
  • Stan has made a $125.30 monthly deposit into an account that pays 1.5% interest, compounded monthly, for 35 years. he would now
    14·1 answer
  • When the monthly interest rate of a credit card is multiplied by 12, this is referred to as the _____.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!