3 years ago

7TH GRADE MATH. PLS HELP

Mathematics

1 answer:

Elza [17]3 years ago

6 0

Answer:

192 squared centimeters

Step-by-step explanation:

area equal to 1/2 * base * perpendicular height

1/2*24*16

=192 squared centimeters

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A model for my number has 6 ones blocks, 2 hundreds blocks and 3 tens blocks what number am i?

Hatshy [7]

236

2 hundreds + 3 tens + 6 ones or
200 + 30 + 6
236

5 0

3 years ago

Please help! Brainliest

Mama L [17]

1.301

Explanation:

Given:

$\log_a5 \approx 0.699$ and $\log_a2 \approx 0.301$

Note that from the properties of logarithms,

$\log_a20 = \log_a(5×4)$

$\:\:\:\:\:\:\:\:\:\:= \log_a(5×2^2)$

$\:\:\:\:\:\:\:\:\:\:=\log_a5 + \log_a(2)^2$

$\:\:\:\:\:\:\:\:\:\:=\log_a5 + 2\log_a2$

$\:\:\:\:\:\:\:\:\:\:\approx 0.699 + 2(0.301)$

$\:\:\:\:\:\:\:\:\:\:= 1.301$

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3 years ago

Given: Circumscribed ABCD, AB=5,<br><br>AD=8, CD=10.<br><br> Find: BC

Lyrx [107]

Answer:

BC=7

Step-by-step explanation:

The circle can be circumscribed into the quadrilateral, if the sums of the opposite sides of the quadrilateral are eqaul.

Thus,

$AB+CD=AD+BC,\\ \\8+BC=5+10,\\ \\BC=15-8=7.$

5 0

3 years ago

Company A charges $28.50 plus $18 per room to clean carpet. Company B charges $16.50 plus $20 a room.

HACTEHA [7]

Answer:

Company B

Step-by-step explanation:

28.50 plus 18= 46.50

16.50 plus 20= 36.50

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3 years ago

Determine whether the sequence is arithmetic or geometric. Sequence 1: –10, 20, – 40, 80, ... Sequence 2: 15, – 5, – 25, – 45, .

Pie

Answer:

1. geometric 2. arithmetic

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3 years ago