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den301095 [7]
2 years ago
7

Quiz Questions

Mathematics
1 answer:
gavmur [86]2 years ago
6 0
1. 6:3
2. 6:2
3. 3:18
4:5:6
5:13
6:x
7:x
8: check
9:check
10: x
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(x - 1)(x + 5) = x² + 4x – 2<br><br> Step by step if possible please
anastassius [24]

Answer:

solve or simplify? if solve, what is x

Step-by-step explanation:

5 0
3 years ago
What is the area of the semicircle in square feet (use 3.14 for π.) helpp due in 21 minutes​
Elden [556K]

Answer:

14.13

Step-by-step explanation:

use the radius, 3 squared

so 3 x 3 = 9

9 x 3.14 = 28.26

28.26 / 2 ( because it is a semicircle) = 14.13

7 0
3 years ago
A government buys `x`fighter planes at `z` dollars each, and `y` tons of wheat at w dollars each. It spends a total of `B`dollar
Veronika [31]

The equation whose solution is the given quantity is 90,000,000 = 2,000,000w + 15,000w where w = $44.67

<h3>Equation</h3>

B = xz + yw

Where,

  • B = Total cost = 90
  • x = number of fighter plane = 20
  • y = tons of wheat = 15,000
  • w = cost of each tons of wheat
  • z = cost of fighter plane
  • z = 100,000w

B = xz + yw

90,000,000 = (20 × 100,000w) + (15,000 × w)

90,000,000 = 2,000,000w + 15,000w

90,000,000 = 2,015,000w

w = 90,000,000 / 2,015,000

= 44.6650124069478

Approximately,

w = $44.67

Learn more about equation:

brainly.com/question/2972832

#SPJ1

6 0
2 years ago
which of the following steps indicates thr addition property of equality while solving the equation -1 -6x = x - 15?
VLD [36.1K]

Answer:

-1-6x=x-15

-6x+x=-15 +1

-6x^2=-14

x^2=-14 +6

x^2= -8

x=_/8

x=4

8 0
3 years ago
I need help with this please
givi [52]
C is 20 degrees. Pls mark brainliest
8 0
3 years ago
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