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Dima020 [189]
2 years ago
13

How can we write x+x+5+5 in 2 different ways​

Mathematics
2 answers:
coldgirl [10]2 years ago
6 0

Answer:

x + 5 + x + 5

5 + 5 + x + x

Step-by-step explanation:

alina1380 [7]2 years ago
6 0

Answer:

:

Step-by-step explanation:

2x+10

2x+5+5

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

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suppose a parabola has an axis of symmetry at x = -8, a maximum height of 2, and passes through the point (-7, -1). Write the eq
lesya [120]

Answer:

<h3>            f(x) = - 3(x + 8)² + 2</h3>

Step-by-step explanation:

f(x) = a(x - h)² + k   - the vertex form of the quadratic function with vertex    (h, k)

the<u> axis of symmetry</u> at<u> x = -8</u> means h = -8

the <u>maximum height of 2</u> means  k = 2

So:

f(x) = a(x - (-8))² + 2

f(x) = a(x + 8)² + 2   - the vertex form of the quadratic function with vertex   (-8, 2)

The parabola passing through the point (-7, -1) means that if x = -7 then        f(x) = -1

so:

    -1 = a(-7 + 8)² + 2

 -1 -2 = a(1)² + 2 -2

      -3 = a

Threfore:

The vertex form of the parabola which has an axis of symmetry at x = -8, a maximum height of 2, and passes through the point (-7, -1) is:

                                 <u>f(x) = -3(x + 8)² + 2</u>

8 0
3 years ago
A person walks 1/5 mile in 1/10 of an hour. What is mph?
irina1246 [14]

Answer:

The person walked 1,056 feet in 6 minutes.

Mph 12

8 0
3 years ago
Luna makes beaded bracelets. she uses 9 beads to make each bracelet. how many brackets can she make with 156 beads?
bixtya [17]
Beaded braclets at 9 beads each Then 156 beads = 156/9 17.333 But the answer is 17 braclets since she cannot make .333 of a braclet
5 0
3 years ago
answer asap!!!! How much time will Alex need to walk to his school, which is 2 1/4 miles away from his house, if he would walk w
maxonik [38]

Answer:

0.89h or 53 minutes

Step-by-step explanation:

2m/h / 2.25m

= 0.89h

4 0
3 years ago
Read 2 more answers
A farmer has both pigs and chickens on his farm there are 78 fee and 27 heads how many pigs and how many chickens are there
Andre45 [30]
Assuming health non-mutated animals:
Feet = 4*Pigs + 2*Chickens
Heads = Pigs + Chickens

By back substitution:
78 = 4*(27-Chickens) + 2*Chickens
78 = 108 -2*Chickens
-30 = -2*Chickens
Chickens= 15

Then:
27 = Pigs + 15
Pigs = 12

To check:
Feet = 4*Pigs + 2*Chickens
78 = 4*12 + 2*15
78 = 48 + 30
78 = 78 CHECKS
6 0
3 years ago
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