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zhannawk [14.2K]
2 years ago
5

Tell whether f(x)=−5x^2+10x+7 has a minimum value or a maximum value.

Mathematics
1 answer:
Alecsey [184]2 years ago
6 0

Answer:

has a maximum value

Step-by-step explanation:

.............

You might be interested in
Figure I and Figure II are similar figures,
ELEN [110]

The ratio of corresponding sides is same for all the sides for similar polygon. the correct proportion is,

\frac{ST}{EF}=\frac{WR}{CD}

Thus the option H is the correct option.

To find the correct proportion we need to know about the properties of slimier polygon.

<h3>What are the properties of similar polygon?</h3>

Two polygons are said to be similar or congruent pentagon-

The corresponding angle of two pentagons are congruent.

The ratio of corresponding sides is same for all the sides.

The figure given in the problem of similar two polygons with six sides.

Rearrange the second figure as shown in figure.

As for the similar polygons, the ratio of corresponding sides is same for all the sides.

Thus the sides shown in the two rearranged figure must be same. Therefore,

\frac{ST}{EF}=\frac{WR}{CD}

Hence the correct proportion is,

\frac{ST}{EF}=\frac{WR}{CD}

Thus the option H is the correct option.

Learn more about the similar polygon here;

brainly.com/question/771807

8 0
1 year ago
Mike ran 1 mile in 4 minutes. How far did he run in 10seconds?
MrRissso [65]

Answer:

0.015 miles

Step-by-step explanation:

1mile = 4min \\ 1mile = 240sec \\ 0.609km = 240sec \\  \frac{0.609}{24}  =  \frac{240}{24}  \\ 10sec = 0.025km \\ 10sec = 0.015miles

3 0
3 years ago
Evaluate the expression (18+7)+5³-9
wel

Answer:

141

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Help me with these 3 questions, please
Zina [86]

Answer:

1. x = -4y ---> y = (-1/4)x

slope = -1/4. y-intercept = (0,0)

2. y = -2x + 4

3. y = (1/3)x - 1

Step-by-step explanation:

1. Re-write your equation so that x is on the right and y is on the left:

x = -4y ---> y = (-1/4)x

slope = -1/4. y-intercept = (0,0)

2. y-intercept = (0,4) ----> P1

x-intercrpt = (2,0) ----> P2

slope m = (y2 - y1) / (x2 - x1)

= (0 - 4)/(2 - 0)

= -2

therefore, y - y1 = mx - x1 ---> y - 4 = -2x

or y = -2x + 4

3. y-intercept = (0,-1)

x-intercept = (3,0)

m = (0 - (-1)) / (3 -0) = 1/3

y - (-1) = (1/3)x - 0 ---> y = (1/3)x - 1

5 0
3 years ago
N + (18 - 6) = 32 who can help me?
MissTica

Answer:

20

Step-by-step explanation:

N + (18 - 6) = 32

Simplify bracket

N + 12 = 32

Subtract 12 from both sides to eliminate 12 on the left side

N + 12 - 12 = 32 - 12

N = 20

5 0
3 years ago
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