MATHEMATICS MIDDLE SCHOOL

What number does y stand for in this equation?
2y - 7 = 35

Answers

Answer 1
Answer:

Answer:

y stands for 21 in this equation.

Step-by-step explanation:

2y - 7 = 35

2y = 42

y = 21
Answer 2
Answer:

Answer:

Y = 21

Step-by-step explanation:

2y -7 = 35

+7 +7

2y=42

/2 /2

Y = 21

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Casey likes to run. She runs an additional 1/4 mile each day. On the last day, she ran 1 1/4 miles. If she ran 1/2 mile on her first day, how many days has she been running?

Answers

Three days
1 1/4 = 5/4 
1/2= 2/4
2/4+1/4= 3/4 the first day
5/4-3/4= 2/4 
2/4 = 1/4 and 1/4 = two days
the first day+ two days= 3 days

What is the quotient of 4/7 divided by 6

Answers

4/7 X 1/6 in order to divide you must transfer the 6/1 to 1/6 then multiply
4/7 X 1/6 =4/42=2/21

A ladybugs length measures 2 cm express this measurement in meters. explain your thinking. include an Equation with an exponent in your explanation

Answers

Answer:

Length of lady bug in meters is:

0.02

Step-by-step explanation:

A ladybugs length measures 2 cm.

We have to express this measurement in meters.

We know that 1 m=100 cm

1 cm= 1/100 m

      =0.01 m

2 cm=2×0.01 m

      =0.02 m

Hence, Length of lady bug in meters is:

0.02

The measurement 2\text{ centimetre} in meters is \boxed{\bf 0.02\text{\bf\ metre}}.

Further explanation:

The centimetre and metre are the units of measurement to calculate the length of an object.

“Centi” is first introduced in metric system that means one hundredth of a unit.

Therefore, 1 meter is 100\text{ cm} or we can say a centimetre is one-hundredth of a meter.

It can be mathematically expressed as follows:

\boxed{1\text{ m}\rightarrow 100\text{ cm}}

Procedure used:

Conversion from centimetre to metre.

1) First divide the unit (cm) by 100.

2) Now represent the resultant fraction into decimal form by moving the decimal two times to the left.

Given:

The length of ladybug is 2\text{ cm}.

Calculation:

Step 1:

The length of ladybug is 2\text{ cm}.

Use the above procedure to convert 2\text{ cm} into meters.

First divide the number 2 by 100.

\boxed{2\text{ cm}=(2)/(100)\text{ m}}  

Step 2:

Now follow the second step of the procedure.

The first digit on the right of decimal known as tenths or can say (1)/(100).

The second digit on the right of decimal known as hundredth or can say (1)/(100).

The resultant fraction (2)/(100) can be convert into decimal form as follows:

\boxed{(2)/(100)=0.02}

Here, we shifted the decimal two times to the left in the digit 2.

Therefore, the unit of 2\text{ cm} in meters is 0.02\text{ m}.    

Thus,  the measurement 2\text{ centimetre} in meters is \boxed{\bf 0.02\text{\bf\ metre}}.

Learn more:  

1. Learn more about the representation of the graph brainly.com/question/2491745

2. Learn more about the graph of the quadratic function brainly.com/question/2334270

3. Learn more about graphed below of the function brainly.com/question/9590016

Answer details:

Grade: Junior school

Subject: Mathematics

Chapter: Units and measurement

 

Keywords: Measurement, unit, decimal, fractions, ones tens, tenth, hundredth, position, numbers, centimetres, meters, numbering system, denominator, conversion, rational number, whole numbers, left side, ladybug, length.

13 is at least the difference of a number v and 1

Answers

v - 1 ≥ 13


good luck!!

B. Compare and Contrast How are colloids and
suspensions different from solutions?

Answers

Step-by-step explanation:

Solutions, colloids and suspensions are the three main classifications of a mixture based on sizes of the particles.

  • A solution is a homogeneous mixture of solutes and solvents.
  • Suspensions are mixtures of small insoluble particles of a solid in a liquid or gas.
  • Colloids are homogeneous mixtures of two phases.

Solutions have the following characteristics:

  • The size of particles is small
  • The particles do not settle on standing.
  • The particles pass through ordinary filter papers.
  • They are clear and do not have color.
  • They do not scatter light

Suspensions have the following properties:

  • The particles dispersed are large
  • They settle on standing.
  • The particles do not pass through ordinary filter papers
  • They do not pass through permeable membrane
  • They are visible with microscope or naked eyes.
  • They are cloudy
  • Scatters light.

Colloids have the following properties:

  • Their particles are between those in solutions and suspensions.
  • Their particles do not settle on standing.
  • Their particles pass through ordinary filter paper.
  • They do not pass through permeable membranes.
  • Scatters light

Learn more:

Mixtures brainly.com/question/4592300

#learnwithBrainly

The coastline of the United States is 12,383 miles long. Canada's coastline is 113,211 miles longer than the coastline of the United States. How long is the coastline of Canada

Answers

Canada's coastal line would be 125,594
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