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Alinara [238K]
3 years ago
15

Please answer fast will give brainlist

Mathematics
2 answers:
juin [17]3 years ago
6 0
B should be the answers
Alex Ar [27]3 years ago
5 0
Try B the second period scores has a higher mean
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I'm a little bit confused about how to approach this can someone help?
Taya2010 [7]

Answer:

4

Step-by-step explanation:

ΔABC is congruent with ΔDEF.  That means the corresponding sides are congruent.

Look at the order of the letters.  EF are the last two letters of ΔDEF.  So this corresponds with the last two letters of ΔABC.  Therefore, EF ≅ BC.

EF ≅ BC

x² + 8x = 48

x² + 8x − 48 = 0

(x + 12) (x − 4) = 0

x = -12 or 4

Since x can't be negative, x = 4.

5 0
3 years ago
Find the student’s error in solving the following inequality.
Volgvan
31 < -5x + 6
<u>-6             -6</u>
<u>25</u> < <u>-5x</u>
-5      -5
-5 < x
x > -5


5 0
3 years ago
Read 2 more answers
Between them, John and Mark have 32 marbles. John has 3 times as many as Mark. How many marbles does each boy have?
Sauron [17]
Mark has 32 marbles and John has 96 marbles. If you add the marbles together they both have a total of 128.
8 0
3 years ago
Read 2 more answers
HELP ME PLEASE SMART KIDS ONLY
bagirrra123 [75]

Answer:

x = 137

Step-by-step explanation:

Step-by-step explanation:

∠43° and ∠x° are same side exterior angles as they are on the same side as the transversal but outside the parallel lines. The 2 angles are supplementary, hence

x + 43 = 180 ( subtract 43 from both sides )

x = 137

3 0
3 years ago
if the scale on a map is inches/miles = 1/50, find the following actual distances: 2.5 inches, 4.75 inches, and 7.6 inches.
Ber [7]
2-5 inches =125miles
4-75inches=237.50 miles.
7.6=380miles
8 0
3 years ago
Read 2 more answers
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