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ddd [48]
4 years ago
14

(800) x (3 x 10^-1)

Mathematics
1 answer:
just olya [345]4 years ago
6 0

Answer:

240

Step-by-step explanation:

  • 800 × 3 × 10⁻¹
  • 800 × 3 × 1/10
  • 80 × 3
  • 240
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Write a two-column proof. Given: line BD bisects angle CBE. Prove: angle ABD approximately equal to angle FBD.
ale4655 [162]

Answer:

The proof is derived from the summarily following equations;

∠FBE + ∠EBD = ∠CBA + ∠CBD

∠FBE + ∠EBD = ∠FBD

∠CBA + ∠CBD = ∠ABD

Therefore;

∠ABD ≅ ∠FBD

Step-by-step explanation:

The two column proof is given as follows;

Statement {}                                       Reason          

\underset{BD}{\rightarrow} bisects ∠CBE {}                            Given

Therefore;

∠EBD ≅ ∠CBD  {}                              Definition of angle bisector

∠FBE ≅ ∠CBA {}                                Vertically opposite angles are congruent

Therefore, we have;

∠FBE + ∠EBD = ∠CBA + ∠CBD {}     Transitive property

∠FBE + ∠EBD = ∠FBD {}                    Angle addition postulate

∠CBA + ∠CBD = ∠ABD {}                   Angle addition postulate

Therefore;

∠ABD ≅ ∠FBD        {}                          Transitive property.

3 0
3 years ago
PLEASE HELP ME!! THIS IS 7TH GRADE MATH SO IT SHOULDN’T BE TOO HARD AHHAHA:)
Kryger [21]
We need to see the graph in order to solve this problem
7 0
3 years ago
The graph shows the functions f(x), p(x), and g(x):
Tatiana [17]
<h3>Answer:</h3>
  • A. (x, y) = (1, -1)
  • B. (1, -1), (2, 0)
  • C. (0, 3). This is where their graphs cross, meaning g(x) = f(x) at that point.
<h3>Step-by-step explanation:</h3>

A solution to a pair of equations is the set of points where their graphs intersect. Points in that set will satisfy both equations, which is what "solution" means.

Here, the graphs of p(x) and f(x) each intersect the graph of g(x) in one place. Hence f(x) = g(x) has one solution, as does p(x) = g(x).

Finding the solution is a matter of reading the coordinates of the point of intersection from the graph.

A. The graphs interesect at x=1, y=-1.

B. Any point on the red line is a solution. We already know one of them from part A. Another is the x-intercept, where y=0. That point is (2, 0).

C. g(x) intersects f(x) at their mutual y-intercept: y = 3. x = 0 at that point.

6 0
4 years ago
Ron talked on the phone for 1/5 an hour. Jacob talked on the phone for 1/100 a day. Who talked longer on the phone?
Ne4ueva [31]

Answer: Ron

Step-by-step explanation: 1/5 is a larger number than 1/100. 1/5 means that Ron talked for 20 minutes an hour, but Jacob talked on the phone for 1 minute an hour.

3 0
3 years ago
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Which number produces an irrational number?
blondinia [14]
Your answer is c. 0.5454545... because an irrational number is one that repeats itself.
3 0
4 years ago
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