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2 years ago

V1 = 70 mL; P1 = ? kPa; P2 = 105 kPa; V2 = 15 mL *

Mathematics

1 answer:

algol [13]2 years ago

7 0

Answer:

490kpa

Step-by-step explanation:

V1 = 70ml and P1 = ? kpa

V2 = 15ml and P2 = 105kpa

if 15ml will give me 105kpa

then how many times is 70ml greater than 15ml

70/15 = 4.6667

then multiply it by 105kpa

4.6667 * 105 = 490kpa

meaning that if 15ml will give me 105kpa

then 70ml which is (15*4.667) will give 490kpa

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(5 Points) all (1 – 3K) -396 0-374 0 -198 0 -187

Triss [41]

Answer:−3K−395,−374,−198,−187

Step-by-step explanation:

Remove parentheses.

1−3K−396,0−374,0−198,0−187

Simplify 1-3K-3961−3K−396 to -3K-395−3K−395.

−3K−395,0−374,0−198,0−187

Simplify 0-3740−374 to -374−374.

−3K−395,−374,0−198,0−187

Simplify 0-1980−198 to -198−198.

−3K−395,−374,−198,0−187

Simplify 0-1870−187 to -187−187.

−3K−395,−374,−198,−187

6 0

2 years ago

Solve for x in the triangle. Round your answer to the nearest tenth.

rewona [7]

Answer:

i think the answer might be 9

8 0

3 years ago

What is the value of x

WITCHER [35]

Answer:

x =68

Step-by-step explanation:

The sum of the angles of a triangle are 180

37+75+x = 180

Combine like terms

112+x = 180

Subtract 112 from each side

112+x-112=180-112

x =68

6 0

2 years ago

20 POINTS

tigry1 [53]

This most definitely has to be a rhombus since it is a form of a square with 4 congruent sides where a rectangle only has 4 right angles.
To clarify, a trapezoid only has one pair of parallel sides if you were wondering.

8 0

3 years ago

Which expression uses the distributive property to represent the sum of 39 + 27

aalyn [17]

Answer:

The expression that uses the distributive property to represent the sum of 39 + 27 is $3(13 + 9)$

Step-by-step explanation:

Given

Expression: 39 + 27

Required

Express using the distributive property

The distributive property is represented in the form a(b + c)

So, we can say that the meaning to the question is that the given expression should be represented in the form a(b+c)

Equate these two expressions, we have

$a(b+c) = 39 + 27$

Factorize the expression on the left hand side

$a(b+c) = 3(\frac{39}{3} + \frac{27}{3})$

Simplify fraction

$a(b+c) = 3(13 + 9)$

Compare expression on left hand side with the expression on the right hand side.

Since, they have the same format, then we've arrived at the answer.

Hence, the expression that uses the distributive property to represent the sum of 39 + 27 is $3(13 + 9)$

3 0

3 years ago