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tatyana61 [14]
3 years ago
12

Use the graphing calculator to find the solution(s) of x2-2x-x 5 to the nearest tenth.

Mathematics
1 answer:
alexandr402 [8]3 years ago
7 0

Answer:

-1.4 and 3.4

Step-by-step explanation:

The solutions of a quadratic are the x values of the x-intercepts where the function crosses the x-axis.

Type in your equation to graph. Then zoom in on the x-axis and find where the function crosses.

See attached picture.

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The Jackson family went out to dinner
vovikov84 [41]

Answer:  Amount that the Smith family need to pay for the meal including tax and tip = 53.47.

Step-by-step explanation:

Since we have given that

Price of the meal = 43.45

Rate of sales tax = 7%

Amount becomes after the sales tax is given by

\frac{7}{100}\times 43.45\\\\\frac{304.15}{100}\\\\=3.0415\\\\\text{Amount}=43.45+3.0415=46.4915

Rate of tips over meal and sales = 15%

Amount of tips is given by

\frac{15}{100}\times 46.4915\\\\=0.15\times 46.4915\\\\=6.974

So, Amount becomes

46.4915+6.974\\\\=53.465\\\\=53.47

Hence, Amount that the Smith family need to pay for the meal including tax and tip = 53.47.


3 0
3 years ago
HELP WITH THESE 3 questions please !!! Please dont give me the wrong answers thanks I really need help
natta225 [31]

Answer:

We use similar triangles to get

16

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5 0
3 years ago
Antonia bought a set of dishes, a towel, and a candle at a housewares store. The set of dishes cost $35.02, the towel cost $21.4
vekshin1

Answer:

Antonia saved $5.39

Step-by-step explanation:

Candle:

$9.59 - $0.50 (coupon) = $9.09

Towel:

$21.43 - $2.75 (coupon) = $18.68

Dishes:

$21.43 x 10% = 2.143

$21.43 - $2.143 = $19.287, rounded to the nearest cent and it’s $19.29.

Calculate the amount of money saved by adding 0.50 + 2.75 + 2.143, which is 5.393. Round to the nearest cent and it will be $5.39.

4 0
3 years ago
You blow a bubble in the shape of a sphere. It has a radius of 5 inches. Which choice is closest to its surface area? Use 3.14 t
vredina [299]
The formula to find the surface area of a circle is: pi x radius², so if we square the radius the answer would be 25, then we multiply that by 3.14 and the answer would be around 78.5, so the answer is 78.5.
8 0
3 years ago
Read 2 more answers
Denise rode 3 kilometers on a bike. her friend clark rode 5000 meters on a bike
antiseptic1488 [7]

\huge \purple{\tt{Answer:}}

Denise rode 3 kilometres .

Clark rode 5000 metres which is 5 kilometres .

So , Clark rode 2 kilometres more than Denise .

8 0
3 years ago
Read 2 more answers
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