Find two numbers whose sum is 49. If the greater is 4 more than 8 times the smaller. Solve
2 answers:
I got
44
and
5
Explanation:
Call the numbers
x
and
y
, you get:
x
+
y
=
49
x
=
8
y
+
4
substitute the second equation into the first:
8
y
+
4
+
y
=
49
9
y
=
45
y
=
45
9
=
5
so that:
x
=
8
⋅
5
+
4
=
44
Answer:
5 and 44
Step-by-step explanation:
smaller number: x
greater number: 8x + 4
x + 8x + 4 = 49
9x + 4 = 49
9x = 45
x = 5
smaller number: 5
greater number: ?
8(5) + 4 = 40 + 4 = 44
5 + 44 = 49
Hope that helps.
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The answer is 7.5for the question
Answer:
<h3>180</h3>
Step-by-step explanation:
<h3>45 × -6 = 45 × [10+(-6)]</h3><h3>45 × (10-6)</h3><h3>45 × 4</h3><h3>180</h3>
I solved and the mean is 10
Answer:
X=(5/4)^-10
Step-by-step explanation:
(5/4)^6÷x=(25/16)^8
(5/4)^6÷x=(5/4)^16
1/X==(5/4)^16÷(5/4)^6
X=(5/4)^6÷(5/4)^16
X=(5/4)^-10
So the value of X is (5/4)^-10