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liubo4ka [24]
2 years ago
14

The inequality 2x+2≤x+4≤3x+4 means that x is in the closed interval [A,B]

Mathematics
2 answers:
Alex_Xolod [135]2 years ago
5 0

Answer:

Step-by-step explanation:

2x+2≤x+4≤3x+4

means : 2x+2≤x+4  ...(1) and x+4≤3x+4

(1) : 2x-x≤4-2   so : x≤2....(*)

(2) :3x+4 ≥x+4    .... 3x-x ≥ 0    so: x≥0 ....(**)

by (*) and (**) : 0≤x≤2   so : A=0  and B = 2

kap26 [50]2 years ago
5 0
Hope you can understand this easily

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What is the difference of 87.09 - 29.1
lawyer [7]
When you subtract them you get the answer 57.99
5 0
3 years ago
If x=12 in, y=16, and z=20 in, what is the surface area of the geometric shape formed by this net?
maria [59]

Given:

x = 12 in, y = 16 in and z = 20 in

To find:

The surface area of the geometric shape.

Solution:

Area of top rectangle = z × z

                                    = 20 × 20

Area of top rectangle = 400 in²

Area of middle rectangle = z × y

                                          = 20 × 16

Area of middle rectangle = 320 in²

Area of bottom rectangle = z × x

                                          = 20 × 12

Area of bottom rectangle = 240 in²

Area of left triangle = \frac{1}{2}yx

                                $=\frac{1}{2}\times16\times12

Area of left triangle = 96 in²

Area of right triangle = \frac{1}{2}yx

                                $=\frac{1}{2}\times16\times12

Area of right triangle = 96 in²

Surface area = 400 + 320 + 240 + 96 + 96

                     = 1152

The surface area of the geometric shape is 1152 in².

3 0
3 years ago
Jose Canseco hit three fifth-deck home runs at SkyDome/Rogers Centre during his career, including the first ever at the stadium
Mademuasel [1]

Answer:

187 ft/s

Step-by-step explanation:

Given in the y direction:

v₀ = 0 ft/s

Δy = 75 ft

a = 32 ft/s²

Find: t

Δy = v₀ t + ½ at²

(75 ft) = (0 ft/s) t + ½ (32 ft/s²) t²

t = 2.165 s

Given in the x direction:

Δx = 480 ft

a = 0 ft/s²

t = 2.165 s

Find: v₀

Δx = v₀ t + ½ at²

(480 ft) = v₀ (2.165 s) + ½ (32 ft/s²) (2.165 s)²

v₀ = 187 ft/s

4 0
3 years ago
Find the value of x.
tester [92]

Answer:

The value of x is 5x that the value of X in my oppion.

Step-by-step explanation:

8 0
2 years ago
How many solutions does the equation have?
borishaifa [10]
First we have to distribute the parentheses on the left side, 2*x is 2x and 2*-3 is -6, so now the equation is 4x+2x-6 = 8x+12
Then, we can add together the two x's on the left side,
so now we have 6x-6 = 8x+12       Subtract 12 from both sides and
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Since they are not the same and the two sides aren't unequal, there is one solution(:
Hope this is helping you(:
4 0
3 years ago
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