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vampirchik [111]
3 years ago
5

HELP MEEE PLSSSS I WILL GIVE BRAINILIEST!

Mathematics
1 answer:
lisov135 [29]3 years ago
6 0
The area of the quadrilateral is 60
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A cup of coffee contains 130mg of caffeine. If caffeine is eliminated from the body at a rate of 11% per hour, how long will it
uysha [10]
It will take approx.65 of caffeine remaining after 6 hours
4 0
3 years ago
(09.01 MC)
IRISSAK [1]

Answer:

<h2>Function 1 has the least minimum value and its coordinates are (2. - 7).</h2>

Step-by-step explanation:

The first function is

f(x)=2x^{2} -8x+1

The second function is

x   g(x)

-2    2

-1    -3

0     2

1     17

The vertex has coordinates of V(h,k), where h=-\frac{b}{2a} and k=f(h).

Let's find the vertex for the first function where a=2 and b=-8.

h=-\frac{-8}{2(2)}=2

k=f(2)=2(2)^{2} -8(2)+1=8-16+1=-8+1=-7

Therefore, the vertex of the first function is at (2,-7).

Now, the minimum value of the second function can be deducted from its table, which is (-1,-3).

Therefore, f(x) has -7 as minimum value and g(x) has -3 as minimum vale.

So, the right answer is B, because -7 is less than -3.

4 0
4 years ago
A jar contains 9 marbles, of which 5 are blue, 3 are red, and the rest are green. What is the ratio of green marbles to red marb
Anna35 [415]
G= number of marbles
Blue + Red + Green = All marble
9= 5+3+g so g= 9-5-3 so g=1
Ratio 1:9
3 0
3 years ago
Matthew can buy an 8-ounce jar of salsa for $2.85 or a 15-ounce jar of salsa for $5.65. Which jar is the best buy and what is th
GalinKa [24]

Answer:

The $2.85 jar is the better buy.

Step-by-step explanation:


Start by finding the two separate unit rates.  Then compare them:

$2.85

---------- = $0.36/oz

8 oz

$5.65.

----------- = $0.38/oz

15 oz


The $2.85 jar is the better buy, as its unit cost is lower.




6 0
4 years ago
Using the distributive property simplify the expression <br> -3(x - 2) + 4
S_A_V [24]

Answer:

-3x+10

Step-by-step explanation:

-3(x - 2) + 4

Using the distributive property:

-3*x-3*(-2)+4

we have:

-3x+6+4

-3x+10

8 0
3 years ago
Read 2 more answers
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