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Reptile [31]
3 years ago
8

30x4000 I will give brainlest to first person that answers without using calculator

Mathematics
2 answers:
sdas [7]3 years ago
4 0

Answer:

The answer is 1200000.

Step-by-step explanation:

balu736 [363]3 years ago
3 0

Answer:

120,000

Step-by-step explanation:

islel3k4kriifjfjfndkskdkxkxjdjdjdjd 123456790029383

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Tools
tresset_1 [31]

Answer:

$81.55

Step-by-step explanation:

$15+15%=15x1.15=$17.25

$23+10%=23x1.1=$27.50

$32+15%=32x1.15=$36.80

Total=$81.55

(Time to find a cheaper shop)

4 0
3 years ago
Find 64.9% of 77. Round to the nearest tenth.
eduard

Answer:

64.9% of 77

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please Help Me!!
Lemur [1.5K]
Perimeter: x + (4x + 9) + (x + 11)
The value x is for the bottom of the triangle.
Simplified, it would be 6x + 20
3 0
3 years ago
Choose two positive integers a and b, making sure that a<5 and b>80 . The width of a rectangular computer screen is a inch
qwelly [4]

Answer:

Dimensions of the screen are a minimum of 10 inches wide by 8 inches high. The difference between the height and width will be 2 inches

Step-by-step explanation:

Height = H

Width = H + a

Area = Height x Width

b = H * (H + a)

b = H^{2} + aH

H^{2} + aH > 80

H^{2} + aH - 80 > 0

a<5 means 'a' can be a = 1, 2, 3, 4

Solving for H for each option of 'a' will give values of 'H' using the quadratic formula below

H = \frac{-b\±\sqrt{b^{2}-4ac}}{2a}

As 'a' and 'b' must be positive integers, H and W must be positive integers as well,

a = 1, H = 8.46, H = -9.46

a = 2, H = 8, H = -10

a = 3, H = 7.57, H = -10.57

a = 4, H = 7.17, H = -11.17

Based on above possible answers:

a=2, H=8

W = H + a

W = 8 + 2

W = 10

Dimensions of the screen are a minimum of 10 inches wide by 8 inches high. The difference between the height and width will be 2 inches

5 0
3 years ago
What is the diameter of the circle with center A
matrenka [14]

Answer:

diameter = 2.r

= 2.3 = 6in

6 0
3 years ago
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