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earnstyle [38]
3 years ago
12

80% din 2.3 km este egal cu...... m

Mathematics
1 answer:
ycow [4]3 years ago
3 0
Can you ummm finish the question

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How do you round numbers
Mariulka [41]
Step 1: Circle the place value of the digit to be rounded. This is the rounding digit. Step 2: Look to the neighboring digit on the right. Step 3: a) If the neighboring digit is less than five (0 - 4), keep the rounding digit the same.
5 0
2 years ago
If one of the short sides of a 45-45-90 triangle equals 5, how long is the hypotenuse?
Alla [95]

Answer:

hypotenuse= 2\sqrt{5}

Step-by-step explanation:

the triangle is equal tow side so it is two side =5 cm

then the hypotenuse by Phitagors theory the triangle hypotenuse =

\sqrt{5^{2} +5^{2} } = 2\sqrt{5}

5 0
3 years ago
Please help me and show your working out thank youu
slava [35]

Answer:

Step-by-step explanation:

mm = 1357

m = 1.357

cm = 135.7

5 0
3 years ago
Are these right?!?! Cannot fail
jolli1 [7]
The first one is correct but I don’t know about the second one
4 0
3 years ago
Use the cofunction identities to find an angle x that makes each statement true.
Gekata [30.6K]

Answer:

x=20

Step-by-step explanation:

sin¢=cos90-¢

therefore; 3x-15+x+25=90

4x+10=90

4x=90-10=80

x=20

7 0
2 years ago
Read 2 more answers
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