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Hunter-Best [27]
2 years ago
13

Steve went to the grocery store. The initial subtotal of his bill was $105.23. Steve then used 5

Mathematics
1 answer:
Mrac [35]2 years ago
3 0

Answer:

105.23-101.48=3.75

3.75/5=0.75

Step-by-step explanation:

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A submarine travels 6.6 km due West from its base and then turns and travels due South for 3.9
geniusboy [140]

Answer:

7.7 km

Step-by-step explanation:

The submarine's path from its base forms a right triangle when its final position is "connected" to the base. We know that the right triangle has legs of 6.6 km and 3.9 km, and we need to find the length of its hypotenuse. To do so, we can use the Pythagorean Theorem, which states that in a right triangle, a^{2}+b^{2} =c^{2}, where a and b are the lengths of the triangle's legs and c is the length of the triangle's hypotenuse. In this case, we know what a and b are, and we need to solve for c, so after substituting the given values of a and b into a^{2}+b^{2} =c^{2} to solve for c, we get:

a^{2}+b^{2} =c^{2}

6.6^{2} +3.9^{2} =c^{2} (Substitute a=6.6 and b=3.9 into the equation)

43.56+15.21=c^{2} (Evaluate the squares on the LHS)

58.77=c^{2} (Simplify the LHS)

c^{2}=58.77 (Symmetric Property of Equality)

\sqrt{c^{2} } =\sqrt{58.77} (Take the square root of both sides of the equation)

c=7.7,c=-7.7 (Simplify)

c=-7.7 is an extraneous solution because you can't have negative distance, if that makes sense, so therefore, the submarine is approximately 7.7 km away from its base. Hope this helps!

7 0
3 years ago
Someone help me with pre cal?
Aloiza [94]
I am learning Geometry right now. And then I don’t know can I help you or not.
3 0
2 years ago
Halph plz m8<br>Which bar diagram represents the equation 5x + 7.5 = 15?
nordsb [41]

Answer:

Third bar graph.

Step-by-step explanation:

Given : 5x + 7.5 = 15.

To find : Which bar diagram represents the equation.

Solution : We have given   5x + 7.5 = 15

In the equation we can see sum of 5x and 7.5 is 15 .

By the bar graph combination box of 5x and box of 7.5 is equal to the box of 15.

Then Third bar graph represent the equation  .

Two pink boxes of 5x and 7.5 and one blue box of 15.

Therefore, Third bar graph.

8 0
3 years ago
Read 2 more answers
Find the equation of the line with the given properties: slope of 2, contains the point ( 4, -3).
Minchanka [31]
The answer is y=2(x-4)-3
6 0
3 years ago
1 5/6 divided by 11/12
deff fn [24]
First convert the mixed number to a fraction: 1 5/6 = 11/6.
\frac{\frac{11}{6}}{\frac{11}{12}}=\frac{11}{6}\times\frac{12}{11}=2
8 0
3 years ago
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