Answer:
the answer is 80 degrees. angle between 2 parrael line is same
From the two right triangles, you can write the following equations using the Pythagorean theorem. Let's call that shared leg in the middle "y"
y^2 + b^2 = a^2
y^2 + c^2 = x^2
y^2 + b^2 = a^2
re-write this to get "y" alone for substitution.
y^2 = a^2 - b^2
substitute (a^2 - b^2) for y^2 in the other equation. y^2 + c^2 = x^2
a^2 - b^2 + c^2 = x^2
Now put in the values given for a,b,c to solve for x
(7.1)^2 - (5.6)^2 + (5.7)^2 = x^2
51.54 = x^2
square root
7.2 = x
Answer:
41.2
miles
Explanation:
To solve the question, first find the number of miles Rachel power walked.
She walked
2
3
5
or
2.6
miles a day for seven days. Multiply seven days by
2.6
to find the total number of miles Rachel power walked that week.
2.6
⋅
7
=
18.2
Next, find the number of miles Rachel jogged.
She jogged
5.75
miles a day for four days. Multiply
4
by
5.75
to find the number of miles Rachel jogged that week.
5.75
⋅
4
=
23
Rachel power walked 18.2 miles and jogged 23 miles. Add the two values up to find the total number of miles that she power walked and jogged.
18.2
+
23
=
41.2
Step-by-step explanation:
hope this helps if not sorry
Answer:
x≥ -43
Step-by-step explanation:
at least means greater than or equal to
Let x be the unknown number
x≥ -43