All categories

2 years ago

SOMEONE PLS ANSWER STEP BY STEP TY 9k-2≥88 or -34 -4> -25

Mathematics

2 answers:

Ghella [55]2 years ago

4 0

Hello,

9k - 2 88

⇔ 9k - 2 + 2 ≥ 88 + 2

⇔ 9k ≥ 90

⇔ 9k/9 ≥ 90/9

⇔ k ≥ 10

S = [10 ; + ∞ [

bixtya [17]2 years ago

3 0

Answer:

k ≥ 10

Step-by-step explanation:

9k - 2 ≥ 88

<u>Step 1</u> : Add 2 on both sides.

9k - 2 + 2 ≥ 88 + 2

9k + 0 ≥ 90

9k ≥ 90

<u>Step 2</u> : Divide 9 on both sides.

9k/9 ≥ 90/9

k ≥ 10

You might be interested in

Please help me with this question helel

Vera_Pavlovna [14]

Answer:

$\frac{1}{2}$

Step-by-step explanation:

Given

tan x = $\sqrt{3}$ , then

x = $tan^{-1}$ ( $\sqrt{3}$ ) = 60° ← related acute angle

Since 180° < x < 270° and tan x > 0 then x is in third quadrant

x = 180° + 60° = 240°

and

sin(x - 210)°

= sin(240 - 210)°

= sin30°

= $\frac{1}{2}$

6 0

3 years ago

A circular pond 24 yd in

Schach [20]

Answer:

The walk will cost $8164.

Step-by-step explanation:

Given:

Diameter of the circular pond (D) = 24 yd

Width of the gravel path (x) = 2 yd

Cost per yard of the path = $50

Now, radius of the circular pond is half of the diameter and is given as:

$Radius,R=\frac{D}{2}=\frac{24}{2}=12\ yd$

Now, area of the pond is given as:

$A_{pond}=\pi R^2=3.14\times (12)^2=3.14\times 144=452.16\ yd^2$

Area of the complete path including the pond area is given as:

$A_{outer}=\pi(R+x)^2=3.14\times(12+2)^2=3.14\times196=615.44\ yd^2$

Now, area of the gravel path can be obtained by subtracting the pond area from the total outer area. This gives,

$A_{path}=A_{outer}-A_{pond}\\\\A_{path}=615.44-452.16=163.28\ yd^2$

Now, using unitary method,

Cost of 1 square yard of path = $50

∴ Cost of 163.28 square yard of path = 50 × 163.28 = $8164

Hence, the walk will cost $8164.

5 0

3 years ago

Read 2 more answers

0.65 more than -4.35

laiz [17]

Answer:

-3.7

Step-by-step explanation:

1. More = Addition

2. 0.65 + -4.35 = -3.7

4 0

2 years ago

Read 2 more answers

Which of the following is equivalent to the expression below? 9^10*9^x

muminat

Answer:

Step-by-step explanation:

$a^{m}*a^{n}=a^{m+n}\\\\9^{10}*9^{x}=9^{10+x}$

In exponent multiplication, if the bases are same then add the exponents.

6 0

3 years ago

Read 2 more answers

Gas mileage is the number of miles you can drive on a gallon of gasoline. A test of a new car result is 380 miles on 20 gallons

SOVA2 [1]

380/20 = 19

The car can go 19 miles on 1 gallon of gas.

75 * 19 = 1,425

You can drive 1,425 miles on 75 gallons.

6 0

3 years ago