Please help. Show work thank yuou so much

Mathematics

2 answers:

ruslelena [56]3 years ago

4 0

1. 25 x 0.39 = $9.75

2. 5.56 + 5.81 = 11.37, 11.37/2 = 5.685

WARRIOR [948]3 years ago

3 0

He spent $9.75 on the first question. Multiply 0.39 and 25. And i think on your last one is 25. Subtract 5.56 and 5.81. So answer is 5.25

You might be interested in

Ryan is thinking of a number. When he multiplies this number by 6 and then subtracts 15 from the answer, he ends up with his ori

Setler [38]

6n-15=n
minus n both sides
5n-15=0
add 15 both sides
5n=15
divide both sides by 5
n=3
de number is 3

3 0

3 years ago

Please help asap!!!!!

kumpel [21]

Answer:

RQ = RS = 3

Step-by-step explanation:

Since RQ and RS are radii of the circle then they are congruent

let RQ and RS be x , then

Using Pythagoras' identity in right triangle QRS

x² + x² = (3 $\sqrt{2}$ )²

2x² = 18 ( divide both sides by 2 )

x² = 9 ( take the square root of both sides )

x = $\sqrt{9}$ = 3

Thus RQ = RS = 3

3 0

3 years ago

Solve the following system by the substitution method. Check the solution.

harina [27]

$\left \{ {{3x + 6y = 4x} \atop {x = 8- 2y}} \right.$

$\left \{ {{3x- 4x + 6y = 0} \atop {x = 8 - 2y}} \right.$

$\left \{ {{-x + 6y = 0} \atop {x=8 - 2y}} \right.$

$\left \{ {{-(8-2y) + 6y} \atop {x=8 - 2y}} \right.$

$\left \{ {{-8+2y +6y = 0} \atop {x=8 - 2y}} \right.$

8y = 8
y = 1

x = 8-2y
x = 8-2*1
x = 8-2
x = 6

<span>A.
The system has a single solution. The solution set is (6, 1)</span>

4 0

3 years ago

What is the radius of the following circle?

Y_Kistochka [10]

Answer:

The radius is: 1

Step-by-step explanation:

The equation of a circle in center-radius form is:

$(x - h)^2 + (y - k)^2 = r^2$