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Ivanshal [37]
2 years ago
5

CAN SOMEONE HELP ME WITH THIS???????????

Mathematics
1 answer:
yanalaym [24]2 years ago
8 0

Answer:

See Step by step explanation

Step-by-step explanation:

(g+f)(x) = g(x) + f(x) = 7x-1\\(g'f)(x) = g(x)f(x) = (3x-1)(4x) = 12x^{2}-4x\\(g-f)(-2) = -(-2)-1 = 1

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6. Find the value of x in the triangle below.
Kobotan [32]

Answer:

The value of x is 21.

Step-by-step explanation:

Since this is a right angle triangle, you can apply Pythagoras theorem, side² + side² = hypo² :

(x + 3)² + 10² = (x + 5)²

x² + 6x + 9 + 100 = x² + 10x + 25

x² + 6x + 109 - x² - 10x - 25 = 0

-4x + 84 = 0

-4x = -84

4x = 84

x = 84 ÷ 4

x = 21 units

4 0
2 years ago
Ms. Velez will use both x gray bricks and y red bricks to build a wall around her garden. Gray bricks cost $0.45 each and red br
Alekssandra [29.7K]

It is given in the question that

Ms. Velez will use both x gray bricks and y red bricks to build a wall around her garden. Gray bricks cost $0.45 each and red bricks cost $0.58 each. She can spend up to $200 on her project, and wants the number of red bricks to be less than half the number of gray bricks.

Maximum she can spend is $200. That is

0.45x + 0.58y \leq 200&#10;\\  y< \frac{1}{2} x

And

x\geq 0 , y \geq 0

And that's the required inequalities .

7 0
3 years ago
-2
zloy xaker [14]

Answer is

2

gradient=change in y/change in X

(10--2)/(4--2)=2

7 0
3 years ago
A cargo elevator has a maximum carrying capacity of 400 pounds. If each cargo box weighs 25 pounds, what is the maximum number o
daser333 [38]

Answer:

16

Step-by-step explanation:

400÷25

=16

25×16

=400

5 0
3 years ago
Help it is due tomorrow morning​
Leno4ka [110]
The true one

miguel save 60$ on 4 months

The false one

After 2 months miguel has 20$
6 0
2 years ago
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