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
ruslelena [56]
3 years ago
5

1. Express as a unit rate a) Serena walks 4 km in 1 h.

Mathematics
2 answers:
djverab [1.8K]3 years ago
7 0

We can write this as:

4 kilometers/1 hour

The unit rate is already simplified so there is nothing else to do.

Answer: 4km/1hr

Best of Luck!

wolverine [178]3 years ago
3 0

Answer:

Step-by-step explanation:

Serena walks 4 km in 1 h.

That means:

1) She walks 4 km per hour.

2) She spends 1/4 = 0.25 hour per mile.

Have a good day.

You might be interested in
(-2x+5y-3z)2<br> try to do it
S_A_V [24]

Answer:

the answer is −4x+10y−6z

Step-by-step explanation:

(−2x+5y−3z)2

Use the distributive property to multiply −2x+5y−3z by 2.

−4x+10y−6z

3 0
3 years ago
Read 2 more answers
How many omelets can be made with 18 eggs?<br><br>4<br><br>6<br><br>9<br><br>12
lbvjy [14]
<h2>Hello! </h2>

<h2>The answer is:</h2>

<h2>9</h2>

<h3>9 omlets can be made with 18 eggs</h3>
4 0
3 years ago
Complete the steps to show how 4/5 x 5/6 can also be found using properties and equivalent fractions
Tresset [83]
Attached is how you would work this problem out.

7 0
4 years ago
given : AD is ⊥to AB and DC, BC is ⊥ to AB and DC, angle EDC ≅ angle ECD, AD ≅ BC. prove: triangle ADE ≅ triangle BCE
Kamila [148]

Answer:

Hence proved triangle ADE ≅ triangle BCE by Side Angle Side congruent property.

Step-by-step explanation:

Given:

AD ⊥ AB \& CD

BC ⊥ AB \& CD

AD = BC

∴ ∠ A = ∠ B = ∠ C = ∠ D =90°

∠ EDC = ∠ ECD

Solution

∠ C = ∠ BCE + ∠ ECD⇒ equation 1

∠ D = ∠ ADE + ∠ EDC⇒ equation 2

∠ C = ∠ D (given)

Substituting equation 1 and 2 in above equation we get

∠ BCE + ∠ ECD = ∠ ADE + ∠ EDC

But ∠ EDC = ∠ ECD (given)

∴ ∠ ADE = ∠ BCE

ED = EC (∵ base angles are same triangle is isosceles triangle)

Now, In Δ ADE and Δ BCE

AD =BC

∠ ADE = ∠ BDE

ED = EC

∴ By Side Angle Side congruent property

Δ ADE ≅ Δ BCE

6 0
3 years ago
Which parallelograms have perpendicular diagonals? rectangle, rhombus square, rhombus square, rectangle none.
Artist 52 [7]
<h3>Answer: Rhombus and square</h3>

Explanation:

Any rhombus has its diagonals meet at 90 degree angles. The proof for this is a bit lengthy, so I'll let you handle it. The basic idea is to draw in the diagonals, which forms smaller triangles. Proving those triangles to be congruent leads to supplementary congruent angles, which in turn leads to the 90 degree angles needed.

A square is a special type of rhombus where all four angles are the same (each 90 degrees). Put another way, a square is both a rectangle and a rhombus at the same time.

Some rectangles are not squares, so the non-square rectangles will have the diagonals not be perpendicular.

4 0
3 years ago
Other questions:
  • What is an attribute of a fractional equation?
    10·2 answers
  • How do you rewrite an equation in slope-intercept form
    13·1 answer
  • The opposite of the opposite of -5 is....
    11·2 answers
  • Using known taylor series, find the first four nonzero terms of the taylor series about 0 for the function. sqrt((1 + t))sin(t)
    14·2 answers
  • Megan has 7 coins that make one pound. The coins are of only two different kinds. What are the 7 coins?
    15·2 answers
  • What would the answer be?
    9·2 answers
  • At a dance, 25% dresses up in a superhero costume, 32% as a scary character, 10% as an entertainer, 15% as a children's movie ch
    14·1 answer
  • Can u guys help me?<br><br> If I have 13 cookies and give 6 away how many do I have?
    13·2 answers
  • David borrows $15,000 for a new car. He is charged 6% simple interest per year. If he paid $4500 in interest, how many years did
    10·1 answer
  • Find m∠U.<br> Write your answer as an integer or as a decimal rounded to the nearest tenth.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!