All categories

2 years ago

When x = 4 and y = 3, find the value of:

Mathematics

1 answer:

vichka [17]2 years ago

8 0

Answer:

a-8x+21y-10=19

b-3(x-6y)=6

c-(15-12)=4

Step-by-step explanation:

You might be interested in

What is the smallest Square number using 5 roman numerals?

In-s [12.5K]

Answer:

The answer is "1"

Step-by-step explanation:

Let 5 roman numbers are:

$\to I=1\\\\\to II=2\\\\\to III=3\\\\\to IV= 4\\\\\to V=5$

There square values are as follows:

$\to 1^2=1\\\\\to 2^2=4\\\\\to 3^2=6\\\\\to 4^2=16\\\\\to 5^2=25$

The smallest square number is= 1.

3 0

3 years ago

A 50 foot ladder is placed at 30 feet away from the building in order to reach the 3rd floor of the building. How high is the 3r

Sonbull [250]

The correct answer should be 20 feet

5 0

4 years ago

The dog has gone 5/8 of the way across the yard. How much farther does it have to go to reach the gate?

tigry1 [53]

Well if one assumes that the dog is starting at one side opposite the gate and is heading directly for it, then it has 3/8 of the yard to go. However since one cannot know where the dog has started his movement toward the gate then the answer would not be solvable without more information.

7 0

4 years ago

Solve the problem by entering and solving an equation.

geniusboy [140]

Given : A rectangular picture frame has a perimeter of 52 inches. The height of the frame is 12 inches.

To Find : The width of the frame .

Solution : Let us take the width of the frame be x . So , we know the formula to find the perimeter of rectangle as ;

$\boxed{\red{\bf Perimeter_{rectangle}=2(l+b)}}$

Where , l is the length of the rectangle and b is the breadth of the rectangle .

⇒ Perimeter = 2 ( l + b ) .

⇒ 52 in. = 2 ( 12 + x ) in.

⇒ 52 in.= 24in. + 2x .

⇒ 2x =( 52 - 24 ) in

⇒ 2x = 28 in.

⇒ x = 28/2 in.

⇒ x = 14 in.

Hence the width of the rectangle is 14 inches.

5 0

3 years ago

What is 9| - z/3| + 6 < 30

Reil [10]

9|⁻¹/₃z| + 6 < 30
9|⁻¹/₃z| + 6 < ±30
9|⁻¹/₃z| + 6 < 30 or 9|⁻¹/₃z| + 6 > -30
9(¹/₃z) + 6 < 30 or 9(¹/₃z) + 6 > -30
3z + 6 < 30 or 3z + 6 > -30
- 6 - 6 - 6 - 6
3z < 24 or 3z > -24
3 3 3 3
z < 8 or z > -8

Solution Set: {z|z < 8 or z > -8} and (-∞, 8) or (-8, ∞)

4 0

3 years ago

Read 2 more answers