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WARRIOR [948]
4 years ago
5

Help! Giving brainliest.

Mathematics
2 answers:
VMariaS [17]4 years ago
6 0

<u>Answer:</u>

a) Steven is incorrect.

b) Steven is incorrect, because he claims that, in other words, 15 units squared = 18 units squared. 18 > 15, so the statement that 15 = 18 is false. 15 does not equal 18.

<u>Step-by-step explanation:</u> Steven claims that the area of rectangle A is double the area of square B. The area of rectangle A is 15 units squared, because you get a product of 15 when you multiply the side lengths 5 and 3. The area of square B is 9 units squared, because you get a product of 9 when you multiply the side lengths 3 and 3. In other words, Steven is claiming that the area of rectangle A is not 15 units squared, but 18 units squared (this is double the area of square B, as 18 is the product of 9 and 2), and that statement is false, because we know that 18 > 15. Therefore, 18 cannot equal 15; the figure that is made from the value of double the area of square B (18 units squared) is larger than rectangle A (15 units squared) - this reinforces the fact that 18 > 15, and hence cannot be equal to 15.

Daniel [21]4 years ago
4 0

Answer:

The area of rectangle A is length x breadth

= 3x5

= 15 units^2

The area of square B is side x side

= 3x3

= 9 units^2

Therefore,

The area of the rectangle is not double of the area of the square because 9x2 is not equal to 15. Steven isn't correct.

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2 to the one fourth minus 3 to the fifth
Sauron [17]
2^4 = 16
3^5 = 243
16 - 243 = -227

3 0
4 years ago
Can you please help me please I really need help
Cerrena [4.2K]

Answer:

1)86

2)102

3)118

4)134

Step-by-step explanation:

1) so we know that the photographer started off with 86 photographs and has been uploading 16 each month since then

so in month 1 she would have 86

in month 2: 86+16=102

month 3: 102+16=118

month 4: 118+16=134

you could also use the expression

y=16x+70

how to get this equation: get slope(16) by subtracting p coords and m coord

substitute slope in slope intercept form

y=16x+b

insert in a coordinate pair(1,86)

86=16+b

b=70

hence y=16x+70

4 0
3 years ago
Jason is watering his garden. He uses 2.75 gallons of water each minute. How much
mamaluj [8]

Answer:

8.25 Gallons

Step-by-step explanation:

2.75 gallons * 3 minutes = 8.25 gallons

6 0
3 years ago
Find the coordinates of the centroid of the triangle formed by the x-axis, the y-axis, and the line 12x + 9y = 36, show work ple
emmainna [20.7K]
Given the line 12x + 9y = 36

the line intersects the x-axis when y = 0,

i.e. 12x = 36 ⇒ x = 3

Thus the x-intecept is (3, 0)

the line intersects the y-axis when x = 0,

i.e. 9y = 36 ⇒ y = 4

Thus, the y-intercept is (0, 4)

Thus, the coordinates of the vertices of the triangle are (0, 0), (0, 4) and (3, 0)

The midpoint of the side of the rectangle joining points (0, 0) and (0, 4) is (0, 2) and the equation of the median joining points (0, 2) and (3, 0) is given by

\frac{y-2}{x} = \frac{-2}{3}  \\  \\ \Rightarrow3(y-2)=-2x \\  \\ \Rightarrow y=- \frac{2}{3} x+2

The midpoint of the side of the rectangle joining points (0, 0) and (3, 0) is (1.5, 0) and the equation of the median joining points (1.5, 0) and (0, 4) is given by

\frac{y}{x-1.5} = \frac{4}{-1.5}  \\  \\ \Rightarrow1.5y=-4(x-1.5)=-4x+6 \\  \\ \Rightarrow y=- \frac{8}{3} x+4

The point of intersetion of the two medians is given by

- \frac{2}{3} x+2=- \frac{8}{3} x+4 \\  \\ \Rightarrow2x=2 \\  \\ \Rightarrow x=1 \\  \\ \Rightarrow y=-\frac{2}{3}+2=\frac{4}{3}

Therefore, the centroid of the given triangle is located at point \left(1, \frac{4}{3} \right)
4 0
3 years ago
Solve for x. <br> x^2 - 2x - 35 = 0x
larisa [96]

Answer:

x = - 5, x = 7

Step-by-step explanation:

Given

x² - 2x - 35 = 0

Consider the factors of the constant term (- 35) which sum to give the coefficient of the x- term (- 2)

The factors are - 7 and + 5, since

- 7 × 5 = - 35 and - 7 + 5 = - 2, thus

(x - 7)(x + 5) = 0

Equate each factor to zero and solve for x

x + 5 = 0 ⇒ x = - 5

x - 7 = 0 ⇒ x = 7

8 0
3 years ago
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