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fgiga [73]
2 years ago
15

Which of the following equations is equivalent to 3x + 4y = 15?

Mathematics
1 answer:
Ray Of Light [21]2 years ago
7 0
Letter A is the answer because
4y = 15 - 3x
so y = 15/4 -3x/4
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— 3(x — 3) &gt; 9 – 3<br> what’s the answer to this equation?
poizon [28]
-3x+9 & gt; 6
-3x+9> 6
7 0
3 years ago
HELP ASAP!! Lesson 4: Perimeters and Areas of Similar Figures
ziro4ka [17]
Part 1) 
area of triangle=b*h/2
b=2.9 cm
h=9 cm
so
area=2.9*9/2-----> 13.05 cm²

the answer part 1) is 13.05 cm²

Part 2) 
area of the figure=area of rectangle+area of triangle

find the area of rectangle
area rectangle=b*h
b=12 ft
h=?
tan 45=1
tan 45=h/(22-10)----------> h/10=1-------> h=10 ft
area of rectangle=12*10-----> 120 ft²

area of triangle=b*h/2
b=10 ft
h=10 ft
area of triangle=10*10/2----> 50 ft²

area of the figure=120+50----> 170 ft²

the answer Part 2) is 170 ft²

Part 3)
<span>the area of kite is half the product of the diagonals. 
</span>Area=(d1*d2)/2
d1=5+5---> 10 ft
d2=16+8----> 24 ft
area=(10*24)/2----> 120 ft²

the answer Part 3) is 120 ft²

Part 4)
the area of rhombus is half the product of the diagonals. 
Area=(d1*d2)/2
d1=6+6---> 12 m
d2=6+6----> 12 m
area=(12*12)/2----> 72 m²

the answer part 4) is 72 m²

Part 5)

area of the figure=6*area of one triangle

area of triangle=b*h/2
b=4 cm
is an equilateral triangle
applying the Pythagoras theorem
h²=4²-2²-----> h²=12-----> h=2√3 cm

area of triangle=4*2√3/2----> 4√3 cm²

area of hexagon=6*(4√3)----> 24√3 cm²

the answer Part 5) is 24√3 cm²
3 0
3 years ago
1. ) Some number was added to 7.4. This sum was then divided by 18. Finally, the quotient was multiplied by 6. The product was 6
Mumz [18]

Answer:

We have [ ( x + 7.4 ) ÷ 18 ] x 6 = 6;

Then,  ( x + 7.4 ) ÷ 18 = 1;

x + 7.4 = 18;

x = 10.6;

Step-by-step explanation:


4 0
3 years ago
a block has two red sides, two green sides, one blue side and one yellow side what is the probability that when the block is rol
olga55 [171]

Answer:

2/6

Step-by-step explanation:

There are 6 sides, and two are green. That makes it 2/6

8 0
3 years ago
Read 2 more answers
The functions q and r are defined as follows.
Bad White [126]

Answer:

9x = 1-1 is q     r x= 2x2 + 2 is 4

5 0
2 years ago
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