Answer:
(3, 2)
Step-by-step explanation:
I will solve using the elimination method
x + y = 5
- (x - y = 1)
---------------
2y = 4
y = 2
plug y = 2 into any equation and solve for x
x + 2 = 5
x = 3
(3, 2)
Shea Is Hanging A Poster On A Wall The Poster Measures 25 inches by 25 inches Shea wants To Know How Much Wall Space Is Needed For The Poster
Answer:
625 inches
Step-by-step explanation:
so technically you are trying to find the area of the poster so...
25(25) = 625
so you would need 625in
Area of wall needed for the poster is equal to [tex]\boldsymbol{625}[/tex] square inches.
Define area.The area of a the double region, form, or planar lamination in the planes is the quantity that describes its extent.
Measurement of the poster is [tex]25[/tex] inches by [tex]25[/tex] inches.
Therefore,
Area of wall needed for the poster [tex]=\boldsymbol{25\times 25}[/tex]
[tex]=\boldsymbol{625}[/tex] square inches
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What are three different methods for solving systems of equations and when would you use each one?
The first method is substitution. This is when the x or y value that is known is substituted into one of the equations. This should be done when you can easily see or find the x or y value.
Example: x = 3, and x + 8y = 30.
The x was given in the first equation (x = 3), and can therefore be substituted into the other equation to find y.
The next method is elimination. This is when you add the two systems together and eliminate either the x values or the y values. This should be done when there are opposite signs of the same number in both equations.
Example: y - 3x = 24, and 2y + 3x = 7
In the first equation you have -3x, and in the second you have 3x. If you were to add the two equations, the x values would cancel out and you would be left with:
y + 2y = 24 + 7
And then you could solve for y.
The last method is to graph both equations and to see at which point the lines intersect.
John is 5 years older than Sam and the product of their ages is 300. How old is Sam ?
Answer:
15 years old
Step-by-step explanation:
15 x 20 = 300
John = S + 5
Sam = 15
John = 20
Sam = 15
Answer:
the answer to your problem would be sam is 15 and John is 20
Janey paints a block of wood with gold glitter for an art project. The block measures 8 inches by 10 inches by 20 inches. After she’s done, she decides to make two blocks by cutting through the block on the red line. She still wants each block to be covered with gold glitter.
3. What is the total area Janey still needs to paint? Explain how you found your answer.
PLEASE HELP ME WITH MY HW PROBLEM??????
Answer:
The answer should be [tex]-\frac{1}{30}[/tex]
Step-by-step explanation:
12. Hayden and Jamie completed 20 math problems together. Jamie
completed 2 more than twice the number that Hayden completed. Let
p represent the number of math problems Hayden completed. Write an
equation that can be used to find the number of math problems that
Jamle completed
Answer:
No of problems Jamle completed = 2p-2
Step-by-step explanation:
HOPE IT HELPS YOU :)
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AND You can thank me in the comment
Answer:
2p-2
Step-by-step explanation:
Two paperback books cost a total of
$10. How much change will Stacy get if
she buys two hardcover books and two
paperback books and gives the clerk
three $20 bills?
Answer:
20 dollars
Step-by-step explanation:
I think 20+20+20=60 then 60-40=20
The line passes through the point (-7,-5) and has slope of -8
Answer:
[tex]y=-8x-61[/tex]
Step-by-step explanation:
The slope-intercept form of the equation is y=mx+b where m is the slope and b is the y intercept. We know so far, that the slope is -8. We plug that in for m.
[tex]y=-8x+b[/tex]
Now, we need to find the y-intercept. The question gives us the point (-7,-5). We plug in -7 for x, and -5 for y.
[tex]-5=-8(-7)+b[/tex]
Then, we solve.
[tex]-5=56+b[/tex]
Subtract 56 from both sides.
[tex]-61=b[/tex]
Finally, we get this equation:
y=-8x-61
Noah bought a digital camera for $90. The tax rate is 6%.
What is the total amount Noah paid for the digital camera?
Answer:
$95.4
Step-by-step explanation:
6% in decimal form is 0.06
we need to find what 6% of 90 is to see how much sales tax there is on this item
0.06*90=5.4
the sales tax is 5.4
5.4 is 6% of 90 so we need to add 5.4 to 90
90+5.4=95.4
$95.4---total amount noah paid(normal price+ sales tax)
Expand.
Your answer should be a polynomial in standard form.
(x + 1)(x - 6)
Which number line shows the solution to the inequality 8<6x?
Answer:
I hope this helps you for the question!!!
A shoe store uses a 40% markup for all of the shoes it sells. What would be the selling price of a pair
of shoes that has a wholesale cost of $67?
Sell price = wholesale cost x (1 + markup percentage)
Sell price = 67 x (1+ 0.40)
Sell price = 67 + 1.40
Sell price = $93.80
Help I need help I have 20 missing assignments
Answer:
142°
Step-by-step explanation:
Angles on a straight line add up to 180
180-38 = 142
Answer:
142
Step-by-step explanation:
x+38=180
x=180-38
x=142
1/3 cup of garlic serves 10 people. How many cups of garlic are needed to make 40 servings
Answer:
1 1/3 cups or 4/3 cups
Step-by-step explanation:
1/3 serves 10
2/3 serves 20
3/3 serves 30
4/3 or 1 1/3 serves 40
The points (0,4) and (1, 9) fall on a particular line. What is its equation in slope-intercept
form?
Answer:
The equation is y = 5x + 4.
--
Step-by-step explanation:
☆Remember: [tex]m = \frac{y_2 - y_1}{x_2 - x_1} [/tex]
☆Slope-intercept: [tex]y = mx + b[/tex]
---
☆We need to find the slope first. So just plug in according to the slope formula!
[tex]m = \frac{9 - 4}{1 - 0} = \frac{5}{1} = 5[/tex]
---
☆Now we need to find the y-intercept. We are going to plug in the slope and a set of coordinates to find the y-intercept.
[tex]y = mx + b \\ 9 = 5(1) + b \\ 9 = 5 + b \\ \frac{ - 5 = - 5 \: \: \: \: \: \: \: \: \: \: \: \: }{4 = b \: \: \: \: \: \: \: \: \: } [/tex]
---
☆Now all we need to do is plug in and we are done!
[tex]y = 5x + 4[/tex]
▪Happy To Help <3
Given: Quadrilateral PQRT, QSV, PTV, QV bisects RT, and QR || PV.
Prove: QS=VS
What is the statements and reasons
Answer:
The answer is below
Step-by-step explanation:
Two triangles are said to be congruent if all the three sides and three angles of one triangle is equal to the three sides and three angles of another triangle.
Statement Reason
QV bisects RT at point Given
S and QR || PV.
RS ≅ TS Definition of bisection.
∠QSR = ∠TSV Vertical angles are congruent to each other.
∠QRS ≅ ∠VTS Alternate interior angles are equal.
ΔQRS ≅ ΔVTS Angle-side-angle congruence theorem. If
two angles and an included side of one
triangle is equal to two angles and an
included side of another triangle, then both
triangles are congruent.
QS ≅ VS Corresponding sides of congruent triangles
are equal.
What's 2x2? This is a very hard question and i need help.
Answer:
4
Step-by-step explanation : ez
Answer:
oh my
Step-by-step explanation:
WHO IS GIVING YOU THIS HARD OF A QUESTION?!?! I gotta put all my braincells together for this one... I think it is 5... it was too hard to give a certain answer without doubt... good luck!
Find the missing length the triangles in each pair are similar
Answer:
hi!
Step-by-step explanation:
Let us assume that the missing side of the triangle is x.
Therefore,
By Thale's Theorem,
RE/RT = RD/RS
24/36 = 18/x
x = 36.18/24
x = 27
Therefore, the missing side of the Triangle is 27 units/cm
Calculate the probability that 200 rolls of two dice rolls will include
a) more than 30 sums of 5
b) between 30 and 40, inclusive, sums of 5
Answer:
[tex]P_x=0.7407407407 \approx 0.74[/tex]
Step-by-step explanation:
From the question we are told that
Dice rolls n=200
Number of dice =2
Generally sample space for Two 6-sided dice is [tex]n=36[/tex]
The sums of five bears the following events
[tex]E={(1,4)(2,3)(3,2)(4,1)}=>4[/tex]
Probability of getting a sum of 5 in a roll
[tex]P(sum 5)=\frac{4}{36}[/tex]
Generally the probability that two dice rowed will include 30 sums of 5
[tex]P_x=\frac{4(200)}{36(30)}[/tex]
[tex]P_x=0.7407407407 \approx 0.74[/tex]
The probability of getting more than 30 sums of 5 out of 200 rolls is 1/6.
What is probability?Probability is the measurement of possibilities.
Number of rolls =200
Number of dice =2
Sample space for a sum of 5 will be (1,4) (2,3), (3,2),(4,1)
Total outcomes = 36
So, the probability of getting 5 as a sum in a single roll= 4/36 =1/9
So, the probability of getting more than 30 sums of 5 out of 200 rolls
= 1/9 *30/200
=1/6
Hence, the probability of getting more than 30 sums of 5 out of 200 rolls is 1/6.
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the dimensions of a right prism
Answer:
v = 3/2
Step-by-step explanation:
volume = length × width × height
volume = 3/2 × 1/2 × 2
volume = 3/4 × 2
volume = 6/4 = 3/2
one box of golfballs costs $112. If you have $7290 and buy as many boxes as you can, how much money will you have left over?
Answer:
aproxitmatly 64 to be exact 64.2857
Step-by-step explanation:
Its easy all you have to do is divide 7,200 divided by 112 and eqauls 64
:) Hope you do great on it!
I need help super quick
Answer: D is correct
Step-by-step explanation:
everything under the X side can be multiplied by 5 and equal Y
Answer:
C
Step-by-step explanation:
Identify the type of function below.
F(x) = 4x + 2
Answer: I cheated and looked it up. It says parabola or basic parabola.
Can someone help me to solve this problem?
Answer:
hi
Step-by-step explanation:
if m is 100 and n is 64, then m - n is equal to 100-64, which is equal to 36
have a nice day
do similar triangles always have equal lengths of corresponding sides?
Answer:
Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion . In other words, similar triangles are the same shape, but not necessarily the same size. The triangles are congruent if, in addition to this, their corresponding sides are of equal length.
Answer:
No. Similar triangles only have equivalent angles. Congruent triangles have equal side lengths.
Step-by-step explanation:
What is the solution to x3 + x2 s 10x - 8?
How many triangles can be made given the following angles? 33º. 42º. 66° One triangle More than one triangle No triangle can be made Question 5 (Mandatory) (2 points) Find the scale factor.
Answer:
None
Step-by-step explanation:
The angles 33+42+66 does not add up to 180 degrees which would not make it a triangle at all.
Which graph represents this equation?Can someone please help me with this problem?
Answer:
D
The bottom right one
Step-by-step explanation:
The negative sign in front of the 1/2 means that the graph has to be uspide down. That brings it down to only two answers and the final one can be determined through the y intercept. Which is -1/2
Robin has a table full of supplies that she will use to decorate picture frames. She decorated one frame with 3 buttons and 12 bows. On her other frames, she also wants to use 2 types of items on each picture frame, but only if the 2 items have the same unit rate as the items on the first frame. Which of the pairs of items could Robin use for the other frames?
The anwser is 4 gems and 16 flowers and 7 stickers and 28 glue dots
Help!!!
Solve for h:
6.1h = 2.44
Answer:
h=0.4
Step-by-step explanation:
6.1h=2.44
h=2.44/6.1
h=0.4
