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geniusboy [140]
3 years ago
8

Sheri bought flowers for centerpieces for a party. Which estimation strategies could she use to find the gratuity for the floris

t quickly? Round the cost to $90 and percent to 10%. Use a benchmark percent of 10%. Round the cost to $100 and percent to 20%. Use StartFraction 1 over 10 EndFraction almost-equals10% to estimate 12%.
Mathematics
2 answers:
garik1379 [7]3 years ago
8 0

Answer: the right choices are 1,2,4 in EDG.

Step-by-step explanation:

Ivan3 years ago
4 0

Answer: round the cost 90 and percent to 10 use a benchmark percent 0f to 10

Step-by-step explanation: took the test

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Solve the variable x. 12yx = 5z
romanna [79]

Answer:

\boxed{\bold{x \ = \ \frac{5z}{12y} }}

Explanation:

  • Solve For X: 12yx = 5z

[ Divide Both Sides By 12y ]

12xy / 12y = 5z / 12y

  • x = 5z / 12y

- PNW

5 0
3 years ago
Find the point slope equation for (-2,-20) and (9,79)
dem82 [27]
Start by identifying your x1, x2, y1, and y2 values
x1: -2
x2: 9
y1: -20
y2: 79

The general form for writing a point slope equation is y-y1 = m(x-x1)
M is your slope.
To find the slope, plug the values you just identified into the equation y2-y1/x2-x1
This leaves you with 79+20/9+2
Which equals 9, so your slope (m) equals nine.
you can now plug everything into the general form which gives you:
y+20 = 9(x+2)
3 0
3 years ago
You are certain to get 3 jacks when selecting 51 cards from a shuffled deck. Express the indicated degree of likelihood as a pro
Colt1911 [192]

Answer:

0.001145

Step-by-step explanation:

Given that you are certain to get 3 jacks when selecting 51 cards from a shuffled deck.

When we draw 3 cards from 51 cards, we keep one card aside

The card can be either Jack or non Jack

Prob (the left over card to be Jack) = P(A) = \frac{4}{52}

Prob (the left over card to be non jack ) = P(B) = \frac{48}{52}

A and B are mutually exclusive and exhaustive

Let drawing 3 Jacks be the event C

P(C) = P(AC)+P(BC)

P(AC) = P(A)*P(C/A)\\= \frac{4}{52} (3/51C3)\\=1.108(10^{-5}

P(BC) = P(B)*P(C/B)\\

= \frac{28}{52} (4/51C3)\\

=1.034(10^{-4}

Adding we get

P(C)

= (1.108+10.343)(10^{-5} \\=0.001145

3 0
3 years ago
Some one please help me with this 3 part assignment. I will give you as many points as you want. Just please do it correctly. Th
dsp73
The complete question in the attached figure
A) How much material does he need to cover one rectangular side of the tent?
to cover the rectangular side ABCD, calculate the area
Area=CD*AC=9*6=54 ft²
the answer part A is 54 ft²

B) <span>If David’s dad wanted to re-cover the whole tent, how much material would he need? 

the area total=2*[Area ABCD]+2*[Area ACE]

</span>Area ABCD=9*6=54 ft²
Area ACE=(1/2)*7*6=21 ft²
the area total=2*[54]+2*[21]=150 ft²

the answer part B is 150 ft²

C) <span>If David found a roll of tent material in the garage that was 65 ft2, would he have enough material to cover the entire tent? Explain your reasoning.

to cover the entire tent is required 150 </span>ft²
150 ft²> 65 ft²------> David not have enough material to cover the entire tent
<span>
the answer part C is 
</span>David not have enough material to cover the entire tent

8 0
4 years ago
Using the graph, determine the coordinates of the x-intercepts of the parabola.<br> Y
GarryVolchara [31]

Answer: -2 and 4

Step-by-step: You see the horizontal line? now look at the the numbers -2 and 4 on that line. Notice how the line passes through them? those are your x-intercepts.

6 0
3 years ago
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