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LekaFEV [45]
3 years ago
15

Casey knit a square-shaped dishcloth. What is the area of the dishcloth.

Mathematics
2 answers:
Marianna [84]3 years ago
5 0
1.b. 441 cm 2
2.c.660 ft 2
guapka [62]3 years ago
4 0
So if the image is supposed to be the dishcloth, then the area would be B) 441 cm2
The deck would be 30 * 22 = C) 660 ft2
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What is the Value of x in the equation 2.5x + 10 = x-0.5 ?
marshall27 [118]

Answer: 7

Step-by-step explanation:

2.5x+10=x-0.5\\2.5x-x+10=-0.5\\1.5x=-0.5-10\\1.5x=-10.5\\x=\frac{10.5}{1.5}\\ x=7

7 0
3 years ago
Read 2 more answers
HELP 40 POINTS
Tom [10]
Answer: the function g(x) has the smallest minimum y-value.


Explanation:


1) The function f(x) = 3x² + 12x + 16 is a parabola.


The vertex of the parabola is the minimum or maximum on the parabola.


If the parabola open down then the vertex is a maximum, and if the parabola open upward the vertex is a minimum.


The sign of the coefficient of the quadratic term tells whether the parabola opens upward or downward.


When such coefficient is positive, the parabola opens upward (so it has a minimum); when the coefficient is negative the parabola opens downward (so it has a maximum).


Here the coefficient is positive (3), which tells that the vertex of the parabola is a miimum.


Then, finding the minimum value of the function is done by finding the vertex.

I will change the form of the function to the vertex form by completing squares:

Given: 3x² + 12x + 16

Group: (3x² + 12x) + 16
Common factor: 3 [x² + 4x ] + 16
Complete squares: 3[ ( x² + 4x + 4) - 4] + 16
Factor the trinomial: 3 [(x + 2)² - 4] + 16
Distributive property: 3 (x + 2)² - 12 + 16
Combine like terms: 3 (x + 2)² + 4

That is the vertex form: A(x - h)² + k, whch means that the vertex is (h,k) = (-2, 4).


Then the minimum value is 4 (when x = - 2).


2) The othe function is <span>g(x)= 2 *sin(x-pi)
</span>

The sine function goes from -1 to + 1, so the minimum value of sin(x - pi) is - 1.


When you multiply by 2, you just increased the amplitude of the function and obtain the new minimum value is 2 (-1) = - 2


Comparing the two minima, you have 4 vs - 2, and so the function g(x) has the smallest minimum y-value.

7 0
3 years ago
True or false?<br> All quadrilaterals are also rhombuses.
Molodets [167]

Answer:

It's false

All quadrilaterals are also rhombus, <u>False</u>

4 0
3 years ago
Read 2 more answers
Which size can of green beans shown in the table has the lowest unit price?
posledela
The can of green beans that has the lowest unit price is the 8 oz. size.

To find the unit price of each size, divide the cost by the size. (A number below that's in parentheses means it goes on forever)

0.89 ÷ 6 = 0.148(3)
1.04 ÷ 8 = 0.13
1.69 ÷ 10 = 0.169
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Among all of these answers, the can with 8 oz. has the least unit price/rate. Thus, this is the answer. 

3 0
3 years ago
Evaluate the expression below for s=5 and t=6 3st2 - s2
babunello [35]
170 is the answer to the question
6 0
3 years ago
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