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777dan777 [17]
3 years ago
6

Please help me with this​

Mathematics
1 answer:
sveticcg [70]3 years ago
5 0

Answer:

\frac{17}{8}  +  \frac{5}{3}  =  \frac{51 + 40}{24}  =  \frac{91}{24}

hope it can help u~~

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The width of a rectangler figure is 5 units smaller than its length. if its area is 14 units square. find its dimensions
oksano4ka [1.4K]

W = L - 5

A = W.L

14 = (L - 5).L

14 = L² - 5L

L² - 5L -14 =0

(L - 7)(L + 2) = 0 {factorized}

L = 7 / L = -2

In this case L would be equal to 7 because a length of anything can't be a negative number

Therefore, W = 2

Answer : Length = 7   Width = 2


6 0
3 years ago
What’s the answer???
gladu [14]

Answer:

17

Step-by-step explanation:

6 0
3 years ago
Thank you to anyone who answers .
Basile [38]

Answer:

B: 33 3/4

Step-by-step explanation:

4 0
2 years ago
How many unique triangles can be made when one angle measures 90° and another angle is half that measure?
valina [46]
In a right-triangle, if either of the other two angles are "half that measure", or half of 90°, that means 45°, then the last angle will also have to be a 45° one too, and the sides coming from the 90° angle, will be equal twins, and therefore they can only make up one type-length hypotenuse, and due to that, you can only make that one triangle.  Check picture below.


4 0
3 years ago
For which intervals below is the average rate of change less than or equal to zero?
77julia77 [94]

Answer:

Intervals A and C only

Step-by-step explanation:

we know that

The graph show a vertical parabola open upward

The vertex represent a minimum

The vertex is the point  (-6,-9)

Remember that the vertex is a turning point

That means

In the interval (-∞,-6) the function is decreasing (rate of change is negative)

In the interval (-6,∞) the function is increasing (rate of change is positive)

therefore

<u><em>Verify each case</em></u>

Interval A) A -13 ≤ x ≤ -10

Belong to the decreasing interval, so the rate of change is negative

Interval B) -5 ≤ x ≤ 0

Find the rate of change

the average rate of change is equal to

\frac{f(b)-f(a)}{b-a}

In this problem we have

a=-5

b=0

f(a)=f(-5)=9  

f(b)=f(0)=0

Substitute

\frac{9-0}{0+5}=9/5

so

Interval B the rate of change is positive

Interval C) --10 ≤ x ≤ -2

Find the rate of change

the average rate of change is equal to

\frac{f(b)-f(a)}{b-a}

In this problem we have

a=-10

b=-2

f(a)=f(-10)=-5  

f(b)=f(-2)=-5

Substitute

\frac{-5+5}{-2+10}=0

so

Interval C the rate of change is zero

therefore

Intervals A and C only

6 0
3 years ago
Read 2 more answers
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