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Westkost [7]
2 years ago
6

8. Evaluate 5y - 2x for x = 4 and y = 2.

Mathematics
2 answers:
kykrilka [37]2 years ago
8 0

Answer:

2

Step-by-step explanation:

5y-2x

5(2)-2(4)

10-8=2

andriy [413]2 years ago
7 0

Answer:

2

Step-by-step explanation:

Instead of writing y and x, we must write their values

= 5(2) - 2(4)

and we solve it

= 10 - 8

= 2

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Volume with cubes with fraction lengths
Greeley [361]

Answer:

You could fit 48 cubes with side lengths of 1/3 cm inside a rectangular prism with dimensions of 1 cm X 2 2/3 cm X 2/3 cm.

4 0
3 years ago
Connor has a collection of dimes and quarters with a total value of $6.30. The number of dimes is 14 more than the number of qua
Anarel [89]

Connor has 14 quarters and 28 dimes.

Step-by-step explanation:

Given,

Worth of coins = $6.30 = 6.30*100 = 630 cents

We know that,

1 quarter = 25 cents

1 dime = 10 cents

Let,

Quarter = x

Dime = y

According to given statement;

25x+10y=630    Eqn 1

The number of dimes is 14 more than the number of quarters

y = x+14    Eqn 2

Putting value of y from Eqn 2 in Eqn 1

25x+10(x+14)=630\\25x+10x+140=630\\35x=630-140\\35x=490

Dividing both sides by 35

\frac{35x}{35}=\frac{490}{35}\\x=14

Putting x=14 in Eqn 2

y=14+14\\y=28

Connor has 14 quarters and 28 dimes.

Keywords: linear equation, substitution method

Learn more about substitution method at:

  • brainly.com/question/4354581
  • brainly.com/question/4361464

#LearnwithBrainly

4 0
3 years ago
10. A In the adjoining Figure, ab is perpendicular to bc and ed is to cd while bc=cd . prove i) triangle abc is corresponding to
xxTIMURxx [149]

<u>Part</u><u> </u><u>(</u><u>i</u><u>)</u>

1) AB is perpendicular to BC, ED is perpendicular to CD, BC = CD (given)

2) Angles ABC and CDE are right angles (perpendicular lines form right angles)

3) Angles ABC and CDE are equal (all right angles are equal)

4) Angles ACB and DCE are equal (vertical angles are equal)

5) Triangles ABC and EDC are congruent (ASA)

<u>Part</u><u> </u><u>(</u><u>ii</u><u>)</u>

6) AB = DE (corresponding parts of congruent triangles are equal)

4 0
2 years ago
Oxerville middle school is going to rent some vans to take students on a field trip. each van can hold 8 students. if a total of
Natalija [7]
11 vans would be needed
7 0
3 years ago
The product of 3 and a number x is 23 . What is the value of x?
Scrat [10]
I believed there's a typo in your question
<span>The product of 3 and a number x is 2/3
if so
</span>3x = 2/3
  x = 2/3 * 1/3
  x = 2/9

answer 
x = 2/9


8 0
3 years ago
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