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Pani-rosa [81]
3 years ago
6

Which place value chart matches the problem? 4 copies of 3 tenths?

Mathematics
1 answer:
Monica [59]3 years ago
7 0

Answer:

Option 1

Step-by-step explanation:

In the question, we want to select the diagram that best answer the question.

We are looking for 4 copies of 3 tenths. Looking at the first option, we have what we are looking for.

Second option is wrong because what we have is three copies of three tenth

Third option is wrong because what we have is 3 copies of 4 tenths

Fourth option is wrong because what we have is 3 couples of three ‘tens’

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At a local fitness​ center, members pay a ​$10 membership fee and ​$5 for each aerobics class. Nonmembers pay ​$6 for each aerob
sveta [45]
One way to solve it is writing two equations based on the info so

y = 5x + 10 for members
y = 6x for nonmembers

(the + 10 isn't included in the second equation because nonmembers won't pay a membership fee)

and to find their intersection point (where the values will be the same), you just set them equal to each other:

5x + 10 = 6x

subtract 5x

x = 10 classes
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4 years ago
A senior class at Smith High School has 84 students.
sattari [20]

Answer: 44 boys and 40 girls

Step-by-step explanation:

x = number of girls

x + 4 = number of boys

x + x + 4 = 84

2x + 4 = 84

2x = 80

x = 40

84 - 40 = 44

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4 years ago
Solve x2 + 8x − 3 = 0 using the completing-the-square method.
lisabon 2012 [21]
(a+b)^2=a^2+2ab+b^2\\------------------\\\\x^2+8x-3=0\ \ \ |add\ 3\ to\ both\ sides\\\\x^2+2x\cdot4=3\ \ \ |add\ 4^2\ to\ both\ sides\\\\x^2+2x\cdot4+4^2=3+4^2\\\\(x+4)^2=3+16\\\\(x+4)^2=19\iff x+4=-\sqrt{19}\ or\ x+4=\sqrt{19}\\|subtract\ 4\ from\ both\ sides\\\\\boxed{x=-4-\sqrt{19}\ or\ x=-4+\sqrt{19}}
3 0
4 years ago
Read 2 more answers
The image of the point (-6, -2) under a translation is (-4,2). Find the coordinates of the image of the point (-3, 4) under the
QveST [7]

ANSWER

(-1, 8)

EXPLANATION

First we have to find the rule for this translation.

The image of the x-coordinate of the given point is 2 untis more than the point, so the rule for the horizontal translation is to add 2.

The image of the y-coordinate of the given point is 4 units more than the point, so the rule for the vertical translation is to add 4:

(x,y)\rightarrow(x+2,y+4)

Therefore, the image of point (-3, 4) under the same translation is:

(-3,4)\rightarrow(-3+2,4+4)=(-1,8)

4 0
1 year ago
IN A SHOP THE NORMAL PRICE OF A JACKET IS $60 . THE COST OF THE JACKET IN A SALE IS 3 BY 4 OF THE NORMAL PRICE
kramer

Answer:

$45

Step-by-step explanation:

3/4×60= 45

cost of jacket in sale: $45

hope it helps!

5 0
3 years ago
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