Answer:
Step-by-step explanation:
A
I need help with these three equations
3x - 2 = x + 10
X+4=19-2x
8z - 20 =z +15
Answer:
1st answer is 6, 2nd is 5, 3rd is 5
Step-by-step explanation:
3x-2=x+10
3x-x=10+2
2x=12
x=12÷2
x=6
x+4=19-2x
x+2x=19-4
3x=15
x=15÷3
x=5
8z-20=z+15
8z-z=15+20
7z=35
z=35÷7
z=5
plzz mark me as brainliest
Answer:
3x-2=x+10
x=6
x+4=19-2x
x=5
8z-20=z+15
z=5
Step-by-step explanation:
3x-2=x+10
+2 on both sides
3x-2(+2)=x+10(+2) => 3x=x+12
subtract x on both sides
3x(-x)=x(-x)+12 => 2x=12
divide 2 on both sides
2x/2=12/2
= x=6
x+4=19-2x
subtract 4 on both sides
x+4(-4)=19(-4)-2x => x=15-2x
add 2x on both sides
x(+2x)=15-2x(+2x) => 3x=15
divide 3 on both sides
3x/3=15/3
= x=5
8z-20=z+15
subtract z on both sides
8z(-z)-20=z(-z)+15 => 7z-20=15
add 20 on both sides
7z-20(+20)=15(+20)
7z=35
divide 7 on both sides
7z/7=35/7
= z=5
Help ur gurl out.
Lol
Explanation:
4²+4²≠8²
(4+4)²=8²
If you use PEMDAS you can find that 4²+4²=32 not 8² which equals 64
You can also find that (4+4)²=(8)²
What value is equivalent to (5-3•2^3) + 9-4^2? PLS HURRYYY
Answer:
-26 is your answer
Step-by-step explanation: 2³ first which = 8 then solve in the parenthesis and all inside parenthesis = -19 so now you have -19+9-4². Now, solve 4² which = 16 so now you have -19+9-16 then solve that and it should give you -26.
Hope this helped you!!!!
pls help me 10 points
shown is a regular pentagon, find y.
Answer:
54 degrees
Step-by-step explanation:
Every side of a regular pentagon is same.
So we have an isosceles triangle. The correspond angle of y, must equal to y (degree) too.
Also, every inner angle of a regular pentagon is 360/5=72. So we can calculate angle y, by the equation y+y+72=180.
y=54
What two numbers multiple to the value on the top and add to the value on bottom
- Drake and troy are building models. For every 10 pieces
Drake puts together, Troy puts together 6 pieces. If Troy
puts together 18 pieces, how many pieces does Drake
put together?
Answer:
30
Step-by-step explanation:
Looking at the question we will notice that every 6 that Troy puts together Drake makes 10 so its simple, Troy makes 18 so we divide that by 6 meaning we get 3. We then get 3 and multiply it by 10, Thus 30 shall be our answer.
4x + y = 7 and passes through the point (1, 8)?
Plz hurry!!!!!!!
x ^ 4 * y ^ 2 How many terms does this polynomial have?
Answer: 1 term
Step-by-step explanation:
Terms have to be separated by an Addition or Subtraction sign
If the sign is multiplication or division, then that part is only one term
solve for x: tan(180-ø).tan(90+ø)+xcos(90+ø).(cos90-ø) =sinø.(sin180-ø)
Answer:
Below.
Step-by-step explanation:
tan(180-ø).tan(90+ø)+xcos(90+ø).(cos90-ø) = sinø(sin180-ø)
xcos(90+ø).(cos90-ø) = sinø(sin180-ø) - tan(180-ø).tan(90+ø)
x = (sinø(sin180-ø) - tan(180-ø).tan(90+ø)) / cos(90+ø).(cos90-ø)
x = - (sin^2ø + tanø(tan(90+ø)) / cos^2ø
ASAP PLSSS help me with this math question
Answer:
Answer is D
Step-by-step explanation:
just took the test and got it right
Please mark brainlest
What 2 numbers can be multiplied to make -100 as well as added to make -21?
Answer:
-50 x 2 or -25 x 4 or -10 x 10 all equal 100
-7 x 3 = -21
Answer:
-25 times 4
Step-by-step explanation:
-25 multiplied by 4 is -100 and is-21 when added together
The triangles are similar. Find the value of x =
I need help on this quick
Answer: So? You put nothing
Step-by-step explanation:
EMERGENCY PLEASE HELP!!
Use properties of equality to isolate y.
x + y = 10
y = ?
Answer:
x+y=10
y=10-x
To isolate y, you subtract x on both sides.
Let me know if this helps!
Jaime has two fractions, 318 and 1315, that he needs to compare. He knows he will not be able to tell which is bigger until they have been rewritten with the same denominator. Which of the following shows both of these fractions rewritten with their least common denominator? Select one:
A. 636 and 3036
B. 960 and 5260
C. 30180 and 156180
D. 1590 and 7890
Answer:
* 5 oy
*25 puan
* takip
Step-by-step explanation:
Cevap( A)
Find the common solution.
x = - y + 10
x = y + 4
Type answer as an ordered pair.
Answer:
Step-by-step explanation:
x = -y + 10
Substitute into the second equation
-y + 10 = y + 4
-2y = -6
y = 3
Plug into first or second equation.
x = -3 + 10 = 7
x = 3 + 4 = 7
So the ordered pair is (7,3)
Quadrilateral ABCD is reflected across the x-axis. What are the coordinates of quadrilateral A´B´C´D
Answer:
D
Step-by-step explanation:
the answer is d because the quadrilateral is in quadrant 3 which is (-,-)
Answer:
D
Step-by-step explanation:
Solve for the variable
Answer:
40
Step-by-step explanation:
Try to get the variable alone by dividing 5/8 on both sides of the equations.
That cancels out the 5/8 on the left leaving u and the 25 on the right turns into 40. It turns into 40 because 25 divided by 5/8 equals 40.
Answer:
40
Step-by-step explanation:
Multiply both sides by 8/5
write the linear equation in slope-intercept from the information given
point (2,-4)
slope= -3
Answer:
y=-3x+2
Step-by-step explanation:
y-y1=m(x-x1)
y-(-4)=-3(x-2)
y+4=-3x+6
y=-3x+6-4
y=-3x+2
Simplify the expression 3X +7+ 4X +6 by combining like terms
Answer:
7x + 13
Step-by-step explanation:
I know m math
the screen shot is the question lz help me
Answer:
$123.75
Step-by-step explanation:
Answer:
B.
Step-by-step explanation:
I added all the things she bought and subtracted it by the total and got B. 123.75
someone please help with this one to
Answer:
Non linear positive association
. Below are sinusoidal regressions created from the average monthly low temperatures in Iqaluit, Nunavut and Nairobi, Kenya. Compare the amplitudes of these functions – what do they mean in this context? Give one or two sentences that describe the implications of these two amplitude values. (2 marks) Iqaluit: = 18.63 sin 0.50( + 170.45) − 13.34 Nairobi: = −1.50 sin 0.77( + 51.25) + 12.86
88 points!!!!
Answer:
ghufvhyggggyggmi jalisco oral iyer
Answer:
Step-by-step explanation:
if 1/4x +2y= 11/4
and - 6y - x = 7, what is
half of y?
Answer:
y/2 = 4.5
Step-by-step explanation:
1/4x + 2y = 11/4
distribute by 4 to eliminate fractions
x + 8y = 11
+ -x - 6y = 7
2y = 18
y = 9
half of 9 = 4 1/2
9 m
3 m
3 m
What is the area, in square meters, of the shaded region in the diagram?
Answer:
Notice that the side length of the square is 38 m.
area of square = (side length)2 = (38 m)2 = 1444 m2
Notice that the diameter of the circle is 38 m .
And its radius = diameter / 2 = 38m / 2 = 19 m
area of circle = pi * radius2 = pi * (19m)2 = pi * 361 m2 ≈ 1133.54 m2
So......
area of shaded region = area of square - area of circle
area of shaded region ≈ 1444 m2 - 1133.54 m2
area of shaded region ≈ 310.46 m2
Step-by-step explanation:
Notice that the side length of the square is 38 m.
area of square = (side length)2 = (38 m)2 = 1444 m2
Notice that the diameter of the circle is 38 m .
And its radius = diameter / 2 = 38m / 2 = 19 m
area of circle = pi * radius2 = pi * (19m)2 = pi * 361 m2 ≈ 1133.54 m2
So......
area of shaded region = area of square - area of circle
area of shaded region ≈ 1444 m2 - 1133.54 m2
area of shaded region ≈ 310.46 m2
∠1 and ∠2 are complementary angles. If ∠1 measures 35º, what is the measure of ∠2?
Answer:
55 degrees
Step-by-step explanation:
Complementary angles are two angles that equal 90 degrees together so if one angle is 35 degrees then the other must be able to add towards that to make 90 degrees
90=35+∠2
-35 -35
55=∠2
Solve the system of equations by using substitution.
EASY MATH
Answer: X=-1, Y=1
Step-by-step explanation:
The answer to this problem is:
X= -1 Y=1
Help meeeeeeeeeeeeeee
Answer:
C find ur x value by solving the simultaneous equations
Answer:
-2
Step-by-step explanation:
6x+4y=-14. X=-2y+7
—————
3
Write two division equations for each multiplication equation. 15⋅25=6 15 ⋅ 2 5 = 6 6⋅43=8 6 ⋅ 4 3 = 8 16⋅78=14
Answer:
[tex](a)[/tex] [tex]\frac{30}{5} = 6[/tex] and [tex]\frac{60}{10} = 6[/tex]
[tex](b)[/tex] [tex]\frac{24}{3} = 8[/tex] and [tex]\frac{96}{12} = 8[/tex]
[tex](c)[/tex] [tex]\frac{112}{8} = 14[/tex] and [tex]\frac{28}{2} = 14[/tex]
Step-by-step explanation:
Given
[tex](a)\ 15 * \frac{2}{5} = 6[/tex]
[tex](b)\ 6 * \frac{4}{3} = 8[/tex]
[tex](c)\ 16 * \frac{7}{8} = 14[/tex]
Required
Write 2 division equations
[tex](a)\ 15 * \frac{2}{5} = 6[/tex]
Express 15 as 15/1
[tex]\frac{15}{1} * \frac{2}{5} = 6[/tex]
Multiply numerator and denominator
[tex]\frac{30}{5} = 6[/tex] --- This is (1)
Multiply the fraction by a common term (e.g. 2)
So, we have:
[tex]\frac{30*2}{5*2} = 6[/tex]
[tex]\frac{60}{10} = 6[/tex] ---- (2)
[tex](b)\ 6 * \frac{4}{3} = 8[/tex]
Express 6 as 6/1
[tex]\frac{6}{1} * \frac{4}{3} = 8[/tex]
Multiply numerator and denominator
[tex]\frac{24}{3} = 8[/tex] --- This is (1)
Multiply the fraction by a common term (e.g. 4)
So, we have:
[tex]\frac{24*4}{3*4} = 8[/tex]
[tex]\frac{96}{12} = 8[/tex] ---- (2)
[tex](c)\ 16 * \frac{7}{8} = 14[/tex]
Express 16 as 16/1
[tex]\frac{16}{1} * \frac{7}{8} = 14[/tex]
Multiply
[tex]\frac{112}{8} = 14[/tex] ---- This is (1)
Divide the fraction by a common term (e.g. 4)
[tex]\frac{112/4}{8/4} = 14[/tex]
[tex]\frac{28}{2} = 14[/tex]