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2 years ago

Help me please fast it’s due 8pm!

Mathematics

1 answer:

PilotLPTM [1.2K]2 years ago

6 0

Answer:

addition property of equality

Step-by-step explanation:

you are adding 1 to the other side!

You might be interested in

Evaluate the expression for k = -11. -k − 11 =

valkas [14]

k = -11

-k - 11 = ?

-11 - 11 = ?

The answer is -22.

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

8 0

4 years ago

Rewrite the following expression X^9/7

KonstantinChe [14]

Answer:

$x\sqrt[7]{x^{2} }$ (D)

Step-by-step explanation:

Given: $x^{\frac{9}{7} }$

To find: Simplify the given expression

Solution: Simplyfying, we get,

$x^{\frac{9}{7} } =x^{\frac{7}{7} +\frac{2}{7} }$

$=x^{1} *x^{\frac{2}{7} } \\=x*x^{\frac{2}{7} } \\=x=\sqrt[7]{x^{2} }$

Therefore, $x\frac{9}{7}$ can be written as $x\sqrt[7]{x^{2} }$

5 0

2 years ago

Determine the seating capacity of an auditorium with 35 rows of seats if there are 20 seats in the first row, 23 seats in the se

777dan777 [17]

Answer:

2485

Step-by-step explanation:

The number of seats in row n is given by the explicit formula for an arithmetic sequence:

an = a1 +d(n -1)

an = 20 +3(n -1)

The middle row is row 18, so has ...

a18 = 20 + 3(18 -1) = 71 . . . . seats

The total number of seats is the product of the number of rows and the number of seats in the middle row:

capacity = (71)(35) = 2485

The seating capacity is 2485.

8 0

3 years ago

F(x)=3^x and x=-5 help A) 1/729 B) -15 C) 1/243 D) -125

muminat

The answer is c)1/243

5 0

3 years ago

Please help quickly for 5 stars and brainliest!!

alexandr402 [8]

1.
Height h = 240 feet
We insert it into formula.
$240 = -16 t^{2} +128t$
Now we solve this for t:
$16 t^{2} -128t +240 = 0 /16 \\ t^{2} - 8t +15 =0 \\ t_{1} = 5 t_{2} = 3$

We have two answers as the rocket will pass this height on it's way up and down.

2.
Height h = 0 feet
We insert it into formula.
$0=-16 t^{2} +76t + 2$
Now we solve this for t:
$16 t^{2} - 76t -2 = 0 /2 \\ 8t^{2} - 38t - 1 = 0 \\ t_{1} = 5 t_{2} = -1$
We do not consider solution -1 as the time can not be negative. Our solution is 5s.

3.
Height at bottom of hill h = 0 feet
We insert it into formula.
$v^{2} = 64 * 0 = 0 ft/s$

7 0

4 years ago