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PtichkaEL [24]
3 years ago
7

Drag a description to match each equation.

Mathematics
1 answer:
AnnZ [28]3 years ago
4 0

Given:

The descriptions and equations. The equations are

y=4x

y=x+4

To find:

The correct description for each equation and match them.

Solution:

We know that, "+" is used for more and "×" is used for times.

Additive: y is 4 more than x.

y=x+4

Additive: x is 4 more than y.

x=y+4

Multiplicative: y is 4 times x.

y=4x

Multiplicative: x is 4 times y

x=4y

Therefore, the correct description for the equation y=4x is "Multiplicative: y is 4 times x " and the correct description for the equation y=x+4 is "Additive: y is 4 more than x. "

You might be interested in
-2 divided by 1/4 please show your work
Aneli [31]
-2 / 1/4
If you are dividing you have to switch 1/4 to 4/1

-2/1  / 4/1
= -8
Hope this helped
6 0
3 years ago
Daisy taped two pieces of cardboard together to make a longer piece. The length of the first piece of cardboard was 1 2/5 meters
N76 [4]
T= total length

T=1 2/5 meters + 4 1/5 meters
add the whole #s and the fractions
T= (1+4) + (2/5 + 1/5)
T= 5 3/5 meters total

Hope this helps! :)


7 0
3 years ago
Perform the indicated operation. 5 2/3 ÷ 2 1/8
bezimeni [28]

5 2/3 ÷ 2 1/8 = 17/3 ÷ 17/8 = 17/3 x 8/17 = 8/3 = 2 2/3

8 0
3 years ago
Standard form to slope intercept form
STatiana [176]

Answer:

Step-by-step explanation:

Going From Standard Form to Slope-Intercept Form

A standard form equation is when it is set up.

Ax + By = C.

6x + 2y = 4.

A slope-intercept form equation is when it is set up y=mx+b.

Y = - 3x + 2.

4y = -8x + 16 then divide all by 4.

y = -2x + 4 slope form.

4 0
3 years ago
Calculate each unknown side length. Round your answer to the nearest tenth.
Mumz [18]

1. y=12.6 units

2. x=25.30 units

3. x=5.70 units, y=11.50 units

4. x=4.10 units, y=11.50 units.

Step-by-step explanation:

In all cases, apply the Pythagorean relationship where the sum of the squares of the sides equals the square of the hypotenuse.

a²+b²=c² where a and b are the sides, and c is the hypotenuse

1.

In this question;

First find b, where c=5  and a is 4

a²+b²=c²

4²+b²=5²

16+b²=25

b²=25-16=9

b=√9=3 units

To get y apply the formula now where c=13 and b=3

y²+3²=13²

y²+9=169

y²=169-9=160

y=√160=12.6 units.

2.

The triangle with a hypotenuse of 20 in is a right-isosceles triangle.

In this triangle apply the sine of an angle law to get the height of the triangle where the angle is 45°

Sin 45°=opposite side length/hypotenuse length

sin 45°=h/20

h=20*sin 45°=14.10 units

Use the height to find the side length for the small triangle when now c=18 and b=14.10

a²+b²=c²

a²+14.10²=18²

a²=18²-14.10²

a²=11.20

Now x= 11.20+14.10 =25.30 units

3.

In this case first find length of x given b=4 and c=7

a²+b²=c²

x²+4²=7²

x²+16=49

x²=49-16

x²=33

x=√33 =5.70 units

Now find y using a=x=5.70 and b=6+4=10

a²+b²=c²

5.70²+10²=c²

132.49=c²

√132.49=c

11.50=c=y

y= 11.50 units

4.

First find x where b=8 and c=9

x²+8²=9²

x²=9²-8²

x²=17

x=√17 =4.10 units

Now find y where b=8, a=(4.10+4.10)=8.20 ----because you have two equal sides

a²+b²=c²

8.20²+8²=y²

131.24=y²

√131.24=y

11.50 units = y

Learn More

Pythagorean relationship application:brainly.com/question/9319790

Keywords: calculate, unknown sides, tenth

#LearnwithBrainly

7 0
3 years ago
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