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tekilochka [14]
3 years ago
6

SAMPLE QUESTION 2

Mathematics
1 answer:
Arlecino [84]3 years ago
5 0

Answer:

4 rth answer is correct if it is wrong plz comment

Step-by-step explanation:

=14-3/21

=11/21

=

2-1/6

1/6

4-3/12

1/12

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What subtraction sentence does this show?
Vesna [10]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
PLEASEEEEEE HELP <br> Given: △ABC, D∈AC<br> m∠BDC=m∠ABC<br> AD=7, DC=9<br> Find: BC, BD/BA
Sergio [31]

Answer:

Step-by-step explanation:

Given: △ABC, D∈AC , m∠BDC=m∠ABC , AD=7, DC=9.

Solution: Let BC=x, From the given figure and the given information, it can be seen that △ABC is similar to ΔBDC by AA rule, thus using the proportionality theorem, we get

\frac{AC}{BC}=\frac{BC}{DC}

⇒\frac{16}{x}=\frac{x}{9}

⇒x^{2}=144

⇒x=12

⇒BC=12

Now, calculate the similarity scale,

k=\frac{AC}{BC}

=\frac{16}{12}=\frac{4}{3}

Therefore, \frac{BA}{BD}=\frac{4}{3}

⇒3BA=4BD

⇒BA=\frac{4}{3}BD

3 0
3 years ago
The area of a parking lot is 805 square meters. A car requires 5 meters and a bus requires 32 square meters of space. There can
zlopas [31]

Answer:

  80 cars will maximize revenue

Step-by-step explanation:

The revenue per square meter for parked cars is ...

  $2.00/5 = $0.40

The revenue per square meter for buses is ...

  $6.00/32 = $0.1875

Thus the available space should be used to park the maximum number of cars.

80 cars should be in the lot to maximize income.

6 0
3 years ago
Ann is 10.5 years old. Marco is 11and 7/11 years old. How many years older is Marco than Ann?
JulijaS [17]

Answer:

I think 22 but not really sure

Step-by-step explanation:

7 0
3 years ago
Is 4x + 8 = 2x + 7 + 2x - 20 a contradiction, identity, or neither?
leva [86]

Answer:

yes, contradiction

Step-by-step explanation:

4x+8=2x+7+2x-20

4x+8=2x+2x+7-20

4x+8=4x-13

This equation is invalid the right and left.

8 0
3 years ago
Read 2 more answers
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