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kirill [66]
3 years ago
12

Determine if the triangles are congruent. If they are, state how you know.

Mathematics
2 answers:
hram777 [196]3 years ago
6 0

Answer:

1 - SSS

Step-by-step explanation:

We need either two sides one angle, two angles one side, or three sides to prove congruency. In this case we have 3 sides so therefore this is congruent by the SSS theorem.

vampirchik [111]3 years ago
3 0

Answer:

SSS

Step-by-step explanation:

They are congruent, you can tell by the 'tick marks'.

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Buddy is about 6inches long. It took three point five rows of stiches to make 0.5 inches in length for buddy's sweater. How many
Reptile [31]

Answer:

That is, the number of rows of stitches Buddy knitted is 42 rows.

Step-by-step explanation:

With the question, we note that the size of 3.5 rows of stitch = 0.5 inches

The size of Buddy = 6 inches

The number of rows of stitch required to make 6 inches is given by;

0.5 in = 3.5 rows

1 in = 3.5 ÷ 0.5 or 7 rows

Therefore, 6 inches is given by,

7 rows/inch ×6 inches = 42 rows

That is, the number of rows of stitches Buddy knitted = 42 rows.

8 0
4 years ago
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A plant cell has a length of 0.000085 meters. Which is this length written in scientific notation?
Ivanshal [37]

Answer: The answer would be 8.5 times 10^-5

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the  

10  If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

3 0
3 years ago
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I need help with inequalities
Hatshy [7]

Answer: I can help

Step-by-step explanation:

8 0
3 years ago
Please help!! I don’t get it
Marrrta [24]

Answer:

Each hotdog costs $1.65

Each juice drink costs $1.05

Step-by-step explanation:

Let's begin by letting x represent the number of hot dogs and y the number of juice drinks.

The Baxter family bought 6 hot dogs and 4 juices for $14.10.

6x + 4y = 14.10

The Farley family bought 3 hot dogs and 4 juices for $9.15.

3x + 4y = 9.15

Now, we subtract these equations.

6x + 4y = 14.10\\- (3x + 4y = 9.15)

Since y has reversed coefficients, it gets eliminated. Now solve for x.

6x+4y-3x-4y=14.1-9.15\\3x = 4.95\\\frac{3x}{3} = \frac{4.95}{3}

\frac{4.95}{3} = 1.65

x = 1.65

NOW, we find y by substituting x with 1.65 (in either equation).

We'll use the first equation.

6x + 4y = 14.10

6(1.65) + 4y = 14.10

9.9 + 4y = 14.10\\4y = 14.1 - 9.9\\4y = 4.2

\frac{4y}{4} = \frac{4.2}{4} \\y = 1.05

x = 1.65

y = 1.05

x represents hotdogs and y represents juice drinks.

Therefore, each hotdog costs $1.65 and each juice drink costs $1.05.

<em> I hope this helps! :)</em>

6 0
3 years ago
Select the two values of x that are roots of this equation.<br> X2 + 2x - 5 = 0
LenaWriter [7]

Answer:

x=-1+\sqrt{6 }

x=-1-\sqrt{6 }

Step-by-step explanation:

x=\frac{-b±\sqrt{b^{2}-4ac } }{2a}

Ignore the A before the ±. It wouldn't let me type it correctly.

x² + 2x - 5 = 0

a = 1

b = 2

c = - 5

x=\frac{-2±\sqrt{2^{2}-4((1)(-5)) } }{2(1)}

x=\frac{-2±\sqrt{4-4((1)(-5)) } }{2(1)}

x=\frac{-2±\sqrt{4+20 } }{2(1)}

x=\frac{-2±\sqrt{24 } }{2}

x=\frac{-2±\sqrt{(2)(12) } }{2}

x=\frac{-2±\sqrt{(2)(2)(6) } }{2}

x=\frac{-2±\sqrt{(2)(2)(2)(3) } }{2}

x=\frac{-2±(\sqrt{2} )(\sqrt{2})(\sqrt{(2)(3) )} }{2}

x=\frac{-2±2\sqrt{6 } }{2}

Two separate equations

x=\frac{-2+2\sqrt{6 } }{2}

x=\frac{-2-2\sqrt{6 } }{2}

x=-1+\sqrt{6 }

x=-1-\sqrt{6 }

7 0
3 years ago
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