Answer:
<h2>
1,190cm²</h2>
Step-by-step explanation:
The Area of a triangle is expressed as 1/2 * base * height. If uma is planning to decorate a blanket with a triangular shape that has a base of 5 centimetres and a height of 7 centimetres, area of the blanket will be expressed as shown;
Area of the blanget = 1/2 * 7 * 5
Area of a blanket = 35/2 = 17.5cm²
If she plans to cut out 68 triangles with these dimensions, the total area will be total number of triangles * area of one triangle i.e 68 * 17.5 = 1,190cm²
Answer:
a.11x-16
Step-by-step explanation:
3x+(8x-16)you multiply the signs in the bracket
that is 3x+8x-16
=11x-16
solve for "b", to see what the base is
what about the height? well, h = 4b
Answer:
+3
Step-by-step explanation:
if your subtracting a negitive it means your adding and its now a positive
Answer:
for the second picture: the answer is 15 hours
Step-by-step explanation:
174 miles is for 3 hours, divide that by 3 to find how many miles per hour it is, 870 divided by 58 will give you the number of hours; 15. hope this helps!
