Answer:
0<x<2.5
Step-by-step explanation:
-16x^2+38x+5 = 0
-16x^2+40x-2x+5 = 0
ROUGH WORK
[Product=-16×5=-80, Sum=38. (Product=40×-2, Sum=40-2) (40&-2)]
BACK TO EXPLAINATION
-8x(2x-5)-1(2x-5) = 0
x = -1/8, 2.5
0<x<2.5
What is the slope of the similar triangles?
Quarters have a coating of copper mixed with nickel on the outside. If the diameter of a quarter is 24.3 mm, then what is the surface area of one side of the quarter that will get coated?
Answer: 463.96 mm² or 46.4 cm²
Step-by-step explanation:
Quarters are circular in shape so the surface area of one side will be the area of a circle.
Area of a circle = π * r²
Radius = Diameter / 2
= 24.3 / 2
= 12.15 mm
Area = 22/7 * 12.15²
= 463.96 mm²
Which of the following relations is NOT a function?
Answer: Option 2 because it's the only one with repeating x coordinates.
what is the degrees of 4 radius
12. Triangle XYZ is a right triangle. Angle Y is the right angle. If tan Z = 3/4 , then Predict the tan X. A) 4/5 B) 3/4 C) 3/5 D) 4/3
Answer:
D) 4/3
Step-by-step explanation:
12. Triangle XYZ is a right triangle. Angle Y is the right angle. If tan Z = 3/4 , then Predict the tan X. A) 4/5 B) 3/4 C) 3/5 D) 4/3
IF tan Z = 3/4
Since m<Y = 90 degrees
Let the opposite side be XY
YZ be the adjacent side
and XZ is the hypotenuse
Given
tan theta = opp/adj
opp = 3 = XY
adj = 4 = YZ
Get the hypotenuse
hyp^2 = 3^2 + 4^2
hyp^2 = 9 + 16
hyp^2 = 25
hyp = √25
hyp = 5
for tanX;
Side opposite to angle X is YZ
Adjacent side = XY = 3
opposite = YZ = 4
Tan X = YZ/XY
Tan X = 4/3
Hence the prediction of Tan X is 4/3
Help if link i will report
you will explain how to go about solving for the unknown letters A B C D using your angle vocabulary /concepts. Organize your sentences in a way that clearly emphasis your understanding of this unit.
Angle vocabulary/ concepts :
Supplementary Angle
Transverse Angles
Complimentary Angle
Triangle Sum Theorem
Right Angle
Straight Angle
Vertical Angel
Congruent
Parallel Lines
Answer:
To find c° go with Triangle Sum Theorem .
To find d° go with Supplementary Angle with 58°.
To find a° go with Transverse Angles.
To find b° go with Transverse Angles .
Step-by-step explanation:
c° = 180- 58 - 48 = 74°
b° = 48°
d° = 180 - 58 = 122°
a° = 58°
Evaluate the following expression if x=3: (1/2)^x
Answer:
[tex] \frac{1}{8} [/tex]
Step-by-step explanation:
[tex] \bigg( \frac{1}{2} \bigg)^{x} \\ \\ (plug \: x = 3) \\ \\ = \bigg( \frac{1}{2} \bigg)^{3} \\ \\ = \frac{1}{ {2}^{3} } \\ \\ = \frac{1}{8} [/tex]
are these true or false plz help
Answer:
v
Step-by-step explanation:
Answer:
true
Step-by-step explanation:
PLEASE HELP
Rhianna invests $1200 in stock and bonds. The stock pays 9% interest and the bonds pay 6% interest. If the total ANNUAL interest is $96, how much is invested in the stock alone?
Answer:
D. 800$
Step-by-step explanation:
Did it on USA test prep
Use triangles to find the sum of the interior angle measures of the polygon.
Answer:
1440°
Step-by-step explanation:
From the 8 sided diagram, 8 triangles can be obtained. 1 triangle adds up to 180° thus for the diagram ,sum of interior will be 180°×8=1440°
What is the slope of the line shown on the graph?
Answer:
Step-by-step explanation:
The slope, m, can be determined using any two points, and slope is defined as
m=(y2-y1)/(x2-x1), I’ll use (0,0) and (5,-1)
m=(-1-0)/(5-0)
m=-1/5
y = 4x + 6 ; 5x + y = -21
Answer:
=4x + 5x ;6 + (-21)
=9x -15
= -6x
Whats the equation to find the total cost ?
Which is an equivalent ratio to 6/7?
Answer: 12 : 14 18 : 21 24 : 28 30 : 35
Step-by-step explanation:
hope these is the right answer to your question
Work out the area of this trapezium. 4cm 13cm 5cm 19cm pls help you be brainliest
Answer:
This is your answer ☺️☺️☺️
Tyeewants to buy disposable masks for his family. Blue masks cost $1.50and greenmasks cost $2.50. He has $45to spend and wants to buy a total of 20masks.
Answer:
28
Step-by-step explanation:
im famous bro
2
A train was traveling at a constant speed. The table below shows the distance, in miles, the train traveled for the first 4 hours.
Time (hours) Distance (miles)
1
95
2.
190
3
285
4
380
Write an equation to represent the relationship between the time, and d, the total distance traveled by the train.
Answer:
d=95t
d= 95 times the time
e.g d=95t
95=95*1
factor 24j - 16 to identify the equavalnet expressions
Answer:
Possible answers:
(24) x j - 16
8 x (3j - 2)
Given the following exponential function, identify whether the change represents
growth or decay, and determine the percentage rate of increase or decrease.
y = 5700(0.94)
Answer:
decay, 6%
Step-by-step explanation:
0.94 < 1
1 - 0.94 = 0.06
Use the Distributive Property to simplify the expression. 35(w−2)
The answer is 35w - 70
[tex]\huge\boxed{Hello\;there!}[/tex]
The Distributive Property states that
a(b+c)=ab+ac
We multiply a by b and c.
[tex]\rm{35(w-2)}\\\rm{35w-70[/tex]
[tex]\huge\boxed{\mathfrak{Answer:{\boxed{35w-70}}}}}[/tex]
[tex]\bold{Hope\;it\;helps!}[/tex]
[tex]\rm{Have\;a\;nice\;day![/tex]
[tex]\boxed{AmiableTeen:)}[/tex]
A 24 pack box of colored gel markers cost $12.96 what is the cost per marker?
Answer:
approx. $1.85 or $1.86 each marker
Answer:
1.85 for each
Step-by-step explanation:
here is a formula:
a=2b-c
what is the value of a if b=12 and c=-4
Answer:
a=28
Step-by-step explanation:
a = 2b - c
a = 2(12) - (-4)
a = 24 + 4
a = 28
by the formula
a=2b-c
if b =12
so, a= 2*12-(-4)
a= 24+4
a=28
Hope you find it helpful
mark it as the brainliest answer
please
thank you
−9x−6y=15
9x−10y=145
y=
x=
Answer:
Step-by-step explanation:
Adding the two equations together gives you
9x-10y-9x-6y=145+15
-16y=160
y=-10, using this value in 9x-10y=145 gives you
9x-10(-10)=145
9x+100=145
9x=45
x=5
So y=-10 and x=5
Ms. Peters has 36 red, blue, and green markers. She has an equal number of
each color of marker. She arranges the red markers in 2 equal groups. How
many red markers are in each group?
18
9
6
12
Answer:
6 markers
Step-by-step explanation:
1) Find the number of red markers
Firstly, we know that Ms. Peters has a total of 36 markers. There are 3 colours within these 36 markers. Because she has an equal number of each colour, divide 36 by 3 to find the number of red markers.
36÷3=12
Therefore, Ms. Peters has 12 red markers.
2) Find the number of red markers in each group
Ms. Peters then divides the red markers into 2 equal groups. Because we now know that there are 12 red markers, divide 12 by 2 to find this number.
12÷2=6
Therefore, there are 6 red markers in each group.
I hope this helps!
Simplify 41/4 to a mixed number
Answer:
10 1/4
Step-by-step explanation:
Answer:
Step-by-step explanation:
41/4 = 10 1/4
What is the x in this equation
14x−8=4
Answer:
x = 6 / 7
Step-by-step explanation:
Let's solve your equation step-by-step.
14 x − 8 = 4
Step 1: Add 8 to both sides.
14x − 8 + 8 = 4 + 8
14x = 12
Step 2: Divide both sides by 14.
14 x / 14 = 12 / 14
x = 6 / 7
Hope it helps
Please mark me as the brainliest
Thank you
Geometry geometry geometry
Answer:
The equation is the second one
X^2 =6^2+11^2
X value = 12.53
Multiply 42 by the sum of 4 and r. I need help on number 10 please.
Answer:
42(4 + r) is the answer if I'm reading that correctly.
Select the correct answer from each drop-down menu.
500
45°
520
In the figure, x=
y =
, and z=
Answer:
sdsd
Step-by-step explanation:
xyz