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Nostrana [21]
3 years ago
8

True or false all rectangles are quadrilaterals

Mathematics
1 answer:
Leni [432]3 years ago
7 0

answer - true

all rectangles have four sides, and a shape is a quadrilateral if it has four sides

therefore, all rectangles are quadrilaterals

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10 2.5 16 4 ? 7.5 48 12 Which statement explains how to find the number of minutes it takes to bike 7.5 miles? Find the ratio of
svet-max [94.6K]

Answer:

Find the ratio of minutes to miles, 4:1. Multiply 7.5 by 4.

Step-by-step explanation:

Given

Minutes: 10 || 16 || ?  || 48

-----Miles: 2.5 || 4 || 7.5 || 12

Required

Which statements solve for the missing value?

First, we need to calculate the ratio of minutes to mile

Ratio = \frac{Minutes}{Mile}

When minutes = 16; mile = 4

So, we have:

Ratio = \frac{16}{4}

Ratio = 4

Next, we multiply the ratio by 7.5

Minutes = Ratio * 7.5

Minutes =4 * 7.5

Minutes = 30

<em>Hence, option B answers the question.</em>

7 0
3 years ago
Solve x²-x-30=0 using the factorisation method.​
Furkat [3]

Answer:

Step-by-step explanation:

x²-x-30=0

x² - 6x + 5x - 30 = 0

(x² - 6x) + (5x - 30) = 0

x(x - 6) + 5(x - 6) = 0

(x + 5)(x - 6) = 0

x + 5 = 0 or x - 6 = 0

x = -5 or x = 6

8 0
3 years ago
Which is the correct classification of StartFraction 3 Over 8 EndFraction?
Finger [1]

Answer:

Classifications would include

Rational; Fraction; Can be turned into Decimal; Positive

Those would be classifications

4 0
3 years ago
2^5 over 4 = 2^5 over 2a = 2^b = c What are a b and c
likoan [24]

Answer:

a = 2

b = 3

c = 8

Step-by-step explanation:

<em>2^5/4</em>=<em>2^5/2a</em>=<em>2^b</em>=<em>c</em>

      <em>2^5/4</em>, 2^5 = 32, 32/4 = 8

             so c, being what all of this is equal to, is 8

      <em>2^5/2a</em>, 2*2=4

              so a = 2

      <em>2^b </em>= 8, ∛8 =  3

              so b = 3

Hope my explanation makes sense :)

6 0
3 years ago
Sam invests $9,400 in a fund yielding 5.2% simple interest annually. At the same time, Pat shops around for a better interest ra
Goryan [66]
Pat's fund earned is $526.40 more than Sam's fund.

Sam's investment :
9400*.052 = 488.80*7 = $3,421.60

Pat's investment :
9400*.06 = 564*7= $3,948.00

$3,948.00-$3,421.60=$562.40

The answer to your question is going to be D. $526.40.

Hope this helps you!!:))
6 0
3 years ago
Read 2 more answers
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