Answer:
CM = 4
Step-by-step explanation:
set CM=x and BM=y AM= 7-y
right triangle BMC: x² = 5² - y² = 25 - y² ... (1)
right triangle AMC: x² = (4√2)² - (7-y)² = 32 - 49 +14y - y² = -17 + 14y -y² ...(2)
(1)-(2): 0 = 42 - 14y
14y = 42
y (BM) = 3
x² (CM²) = 25 - 3² = 16
x (CM) = 4 (height is positive)
Answer:
**3 × 8 − 3 ÷ 3 = 24 (correct)
**24 − 3 ÷ 3 = 21 (incorrect)
24-0=24
**24÷3=8
Answer:
B
Step-by-step explanation:
-1+(-6)
Distribute the Negative Sign:<span>=<span><span><span>3<span>x2</span></span>+7</span>+<span><span>−1</span><span>(<span><span><span>x2</span>−<span>6x</span></span>−4</span>)</span></span></span></span><span>=<span><span><span><span><span>3<span>x2</span></span>+7</span>+<span><span>−1</span><span>x2</span></span></span>+<span><span>−1</span><span>(<span>−<span>6x</span></span>)</span></span></span>+<span><span>(<span>−1</span>)</span><span>(<span>−4</span>)</span></span></span></span><span>=<span><span><span><span><span><span>3<span>x2</span></span>+7</span>+</span>−<span>x2</span></span>+<span>6x</span></span>+4</span></span>Combine Like Terms:<span>=<span><span><span><span><span>3<span>x2</span></span>+7</span>+<span>−<span>x2</span></span></span>+<span>6x</span></span>+4</span></span><span>=<span><span><span>(<span><span>3<span>x2</span></span>+<span>−<span>x2</span></span></span>)</span>+<span>(<span>6x</span>)</span></span>+<span>(<span>7+4</span>)
Answer is </span></span></span><span>=<span><span><span>2<span>x2</span></span>+<span>6x</span></span>+<span>11</span></span></span>
Answer:king author
Step-by-step explanation: