Go Math Math Homework Lesson 8.4

Mathematics

2 answers:

kvasek [131]4 years ago

3 0

Breanna exercises for 4 and 1/2 hours during the six days.

To find the answer, we have to multiply 3/4 by 6.

To do this, we change 6 to 6/1 and multiply straight across.

3/4 x 6/1 = 18/4 = 9/2

9/2 is the same as 4 and 1/2

Inessa [10]4 years ago

3 0

<h2><u>By:</u> </h2><h3><em>Syrenity Holford</em></h3><h2><u></u></h2><h2><u>Answer:</u></h2><h3><em>Breanna exercises for 4 and 1/2 hours during the six days.</em></h3><h3><em></em></h3><h3><em>To find the answer, we have to multiply 3/4 by 6.</em></h3><h3><em></em></h3><h3><em>To do this, we change 6 to 6/1 and multiply straight across.</em></h3><h3><em></em></h3><h3><em>3/4 x 6/1 = 18/4 = 9/2</em></h3><h3><em></em></h3><h3><em>9/2 is the same as 4 and 1/2</em></h3>

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Brainliest fir CORRECT answer

viktelen [127]

Answer:

y ≈ 5.2

Step-by-step explanation:

∠ F = 180° - (42 + 48)° ← sum of angles in a triangle

∠ F = 180° - 90° = 90°

Thus Δ DEF is right at F

Using the sine ratio in the right triangle

sin48° = $\frac{opposite}{hypotenuse}$ = $\frac{DF}{DE}$ = $\frac{y}{7}$ ( multiply both sides by 7 )