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love history [14]
2 years ago
6

PLS HELP graphing exponents thing

Mathematics
1 answer:
Mrrafil [7]2 years ago
4 0

Answer:

Jen Clark can you turn on car Rebecca tatti I miss you baby Palm be my friend

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You want to surround the perimeter of a garden with 35 stones. You need to place a certain number of large and small stones, and
murzikaleks [220]

Answer: A) x + 4x = 35;  7 large stones and 28 small stones

======================================================

Explanation:

x = number of large stones

4x = number of small stones

x+4x = total number of stones = 35

x+4x = 35 is the equation to solve

-----------

Let's isolate x

x+4x = 35

5x = 35

x = 35/5

x = 7 large stones are needed

4x = 4*7 = 28 small stones are needed

8 0
3 years ago
69 points!!!
Amiraneli [1.4K]

Answer:

C)  The solution for the given system of equations are A(0,-5) and B(-4,3)

Step-by-step explanation:

The given system of equation are : x^{2}  + y^{2}  = 25\\2x  + y  = -5

from equation 2, we get   y = -5 - 2x .

Put the above value of y in the equation (1).

We get: x^{2}  + y^{2}  = 25  \implies x^{2}  + (-5-2x)^{2}  = 25

By ALGEBRAIC IDENTITY:

(a+b)^{2}   = a^{2}  +  b^{2}  + 2ab\\ (-5-2x)^{2} = (-5)^{2}  +  (-2x)^{2}  + 2(-5)(-2x)

or, x^{2}  + (-5-2x)^{2}  = 25  \implies x^{2} + (25  +  4x^{2}  + 20x)  = 25

or, 5x^{2}  + 20x = 0  \implies x(5x + 20) = 0

⇒ x = 0 or,   x  = -20/5 = -4

So, the possible values for x are: x  = 0 or  x  = -4

If x  = 0, y = -5-2x = -5-2(0) = -5

and if x = -4, y = -5 -2(-4)   = -5 + 8  = 3

Hence, the solution for the given system of equations are A(0,-5) and B(-4,3)

8 0
3 years ago
You are moving to a new apartment and need to hire a moving company. You’ve researched local moving companies and found these pr
olga_2 [115]

Answer:

answer is C. 19%.

sjjsnsmsmsmamsmsjsk

8 0
2 years ago
Spencer spent 4 hours doing chores over the weekend. If he spent 2/3
Troyanec [42]

Answer:

6 chores

Step-by-step explanation:

ok so,

4 hours=240minutes

2/3of an hour= 60×2/3

=40 minutes

so since one chore needs 40 minutes, then:

40/240= 6

so in 240 minutes/4 hours, Spencer can do 6 chores.

6 0
3 years ago
Read 2 more answers
Help me and there will be an apple at your doorstep. (There might be some shipping issues)
Alexeev081 [22]

Answer:

9.30 maybe

Step-by-step explanation:

I just did mathz

3 0
2 years ago
Read 2 more answers
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