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Wewaii [24]
3 years ago
13

What is X? HELP I NEED ANSWERS!

Mathematics
2 answers:
GREYUIT [131]3 years ago
8 0

Answer:i think x=141

Step-by-step explanation:i agree

12345 [234]3 years ago
4 0

Answer:

Hope it helped

Step-by-step explanation:

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For <br> f(x) = x2 + 8x + 9,<br> evaluate <br> f(x + 2) − f(x).<br> Simplify.
FromTheMoon [43]

Answer:

f(x) = x² + 8x + 9, f(x + 2) - f(x)

                     ↓

                4x + 20

3 0
3 years ago
12 minus the product of 7 and a number m
Pavel [41]

Answer:

12-7m

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
Explain why the following form linearly dependent sets of vectors. (solve this problem by inspection.)
Hunter-Best [27]

A set of vectors {v1,v2,...,vk} is linearly independent if the vector equation x1v1 + x2v2 + .......... + xkvk = 0 has only the trivial solution

x1 = x2 = .... = xk =0. Then the set  {v1,v2,...,vk} is linearly dependent otherwise.

So putting in the formula we get

x1u1 + x2u2 + x3u3 = 0

x1u1 + x2u2 = -x3u3

au1 + bu2 = u3               ∵ (-x1/x3 = a & -x2/x3 = b)

On putting in the values

a(3,-1) + b(4,5) = (-4,7)

(3a+4b,-a+5b) = (-4,7)

On comparing we get

3a + 4b = -4 -(1)

-a + 5b = 7  -(2)

on solving these equations we get

b = 17/19 and a= -48/19

which is non trivial.

Thus the following form linearly dependent sets of vectors.

Learn more about linear dependence of vectors here :

brainly.com/question/13776214

#SPJ4

7 0
2 years ago
1 Calculator What is the area of this figure? Enter your answer in the box. units²
photoshop1234 [79]

Answer:

44 units²

Step-by-step explanation:

For triangles: (bases and heights of both triangles are equal)

Base = 4 units, height = 3 units

For trapezoid:

Base 1 = 5 units, base 2 = 3 units, height = 8 units

Area of figure = Area of two triangles + Area of trapezoid

= 2 *1/2 * base * height + 1/2(base 1+ base 2) *height

=4*3 + 1/2(5+3)*8

= 12 + 8*4

= 12 + 32

= 44 units²

7 0
3 years ago
Evaluate 5 - 4b if b = -3​
victus00 [196]

Answer:

17

Step-by-step explanation:

5-4b ; b=-3

- substitute b= -3 into the expression

5-4×(-3)

- multiply the numbers

(-4×(-3)=+12) 5+12

- add the numbers

(5+12=17)

SOLUTION: 17

4 0
3 years ago
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